CN205959464U - Mathematics operation panel - Google Patents
Mathematics operation panel Download PDFInfo
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- CN205959464U CN205959464U CN201620014528.9U CN201620014528U CN205959464U CN 205959464 U CN205959464 U CN 205959464U CN 201620014528 U CN201620014528 U CN 201620014528U CN 205959464 U CN205959464 U CN 205959464U
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- abacus
- rechoning
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Abstract
Mathematics operation panel including the panel, is equipped with calculation with an abacus and deposits district and mathematical operation district on the panel, calculation with an abacus is deposited the district and is equipped with calculation with an abacus and deposits the draw -in groove, and calculation with an abacus is equipped with at least ten calculation with an abacus in depositing the draw -in groove, and every young surface of calculation with an abacus indicates one numeral " 1 ", mathematical operation district is equipped with the mathematical operation groove, mathematical operation groove one side indicate arabic cipher 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, draw -in groove and spread groove intercommunication, spread groove and mathematical operation groove intercommunication are deposited to calculation with an abacus. Use the utility model discloses, can demonstrate out the component of number, through the operation, children can come to realize the physical presence of abstracting the numeral directly perceivedly, accomplish the conversion of audio -visual imagery thinking to digital abstract thinking, through the operation, children can come to realize the calculation principle that adds the subtraction within ten or even within 100 to understand the calculation principle of multiplication and division better in study in the future, come to realize the mathematics reason on adding the basis of subtraction in the operation, development mathematical thinking.
Description
Technical field
This utility model is related to a kind of mathematical operations plate, especially relates to the mathematical operations plate that a kind of suitable child uses.
Background technology
Existing child counts teaching operation plate, is the hole arranging respective numbers on one piece of panel mostly, then separately set with
Hole number identical plug, plug can insert in the hole.This kind counts toy, using troublesome, is not easy to preserve, plug is easily lost
Lose, be unfavorable for cultivating the imaginal thinking capability of child and quick ability of mental arithmetic, be also unfavorable for improving memory.And part operation plate
Need to learn that algorithm pithy formula is just permissible by heart, this is undoubtedly a difficult matter for the first child knowing mathematics.Infant mathematics teaching is difficult just difficult
It is transformed into abstract thinking in intuitively imaginal thinking, such as：Two flowers add three flowers, and child knows calculation, and 2+3 is equal to several, just not
It is bound to let it pass, be exactly the problem of a thinking conversion here in fact.
Utility model content
The technical problems to be solved in the utility model is to overcome the drawbacks described above of prior art presence, provide a kind of structure
The mathematical operations plate being simple and convenient to operate.
This utility model solves its technical problem and be employed technical scheme comprise that：
Mathematical operations plate, including panel, panel is provided with the sub- storage area of rechoning by the abacus and mathematical operation area, and the sub- storage area of rechoning by the abacus sets
Rechoning by the abacus is had to deposit draw-in groove, rechoning by the abacus is deposited and is provided with least ten rechoning by the abacus in draw-in groove；The surface of every rechoning by the abacus indicates one
Digital " 1 "；Mathematical operation area is provided with mathematical operation groove, mathematical operation groove side sequentially indicate Arabic numerals 1,2,3,4,5,6,
7、8、9、10；Rechoning by the abacus is deposited draw-in groove and is connected with link slot, and link slot is connected with mathematical operation groove, and being provided with below rechoning by the abacus can be
Rechoning by the abacus deposits the slide block sliding in draw-in groove, mathematical operation groove and link slot.
Further, described rechoning by the abacus deposits draw-in groove is arcuate groove, arcuate groove one end closure, the arcuate groove other end and link slot
Connection, so, rechoning by the abacus is not easy to lose, beneficial to the preservation of rechoning by the abacus；And child is when in use, according to arcuate groove be connected
The communication direction of groove, the slip route that can more easily determine rechoning by the abacus is so that calculating process is vivider.
Further, described mathematical operation area is additionally provided with the vertical connection groove vertical with mathematical operation groove, vertical connection groove
Quantity is ten, and the Arabic numerals 1,2,3,4,5,6,7,8,9,10 being marked in mathematical operation groove side are sequentially particularly located at respectively
Outside each vertical connection groove end；Link slot is end to end with mathematical operation groove；The sub- storage area of described rechoning by the abacus is provided with two rechonings by the abacus
Son deposits draw-in groove, and each rechoning by the abacus is deposited all has ten rechoning by the abacus in draw-in groove, constitutes initiation version.
Two rechoning by the abacus for the sub- storage area of described rechoning by the abacus deposit draw-in groove, are stored in one of rechoning by the abacus and deposit in draw-in groove
Ten rechoning by the abacus can be selected for same color, and be stored in ten rechoning by the abacus that another rechoning by the abacus deposits in draw-in groove can be selected for another
Plant color.
Further, described mathematical operation area is provided with two mathematical operation grooves, and two mathematical operation grooves are respectively unitss
Groove is calculated in computing groove and tens student movement.The side of groove is calculated in unitss student movement and tens student movement calculate groove side all sequentially indicate Ah
Arabic numbers 1,2,3,4,5,6,7,8,9,10, the end that groove is calculated in unitss student movement indicates " individual position ", and groove is calculated in tens student movement
End indicates " ten "；Described link slot is also provided with two, and two link slots are respectively a position link slot and ten link slots.Individual
Position link slot is calculated groove with unitss student movement and is connected, and ten link slots are calculated groove with tens student movement and connected；The sub- storage area of described rechoning by the abacus
The sub- storage area of position rechoning by the abacus and the sub- storage area of ten rechonings by the abacus also can be divided into, rechoning by the abacus sub- storage area in individual position is provided with position rechoning by the abacus and deposits
Draw-in groove, the sub- storage area of ten rechonings by the abacus is provided with ten rechoning by the abacus and deposits draw-in groove.Rechoning by the abacus sub- storage area in individual position has deposited at least 18
Rechoning by the abacus.The sub- storage area of ten rechonings by the abacus has deposited at least ten rechoning by the abacus；Described position link slot calculates groove head with unitss student movement
Tail connects, and constitutes strengthening version.
Further, the rechoning by the abacus quantum count that the sub- storage area of described position rechoning by the abacus is deposited is preferably 20, and individual position rechoning by the abacus is deposited
Put area and be provided with two position rechoning by the abacus and deposit draw-in groove, 20 rechoning by the abacus of the sub- storage area of individual position rechoning by the abacus are divided into two groups and deposit respectively
Deposit in draw-in groove in two position rechoning by the abacus of the sub- storage area of individual position rechoning by the abacus, one of position rechoning by the abacus deposits the pearl in draw-in groove
Operator can be selected for same color, and rechoning by the abacus that each and every one position rechoning by the abacus another is deposited in draw-in groove can be selected for another kind of color.Ten
The rechoning by the abacus quantum count that the sub- storage area of rechoning by the abacus is deposited also preferably is 20, is provided with two ten rechonings by the abacus in the sub- storage area of ten rechonings by the abacus
Son deposits draw-in groove, and 20 rechoning by the abacus of the sub- storage area of ten rechonings by the abacus are also divided into two groups and deposit in the sub- storage area of ten rechonings by the abacus respectively
Two ten rechoning by the abacus deposit in draw-in groove, rechoning by the abacus that one of them ten rechoning by the abacus is deposited in draw-in groove can be selected for same face
Color, rechoning by the abacus that another ten rechoning by the abacus are deposited in draw-in groove can be selected for another kind of color.
By imparting rudimentary knowledge to beginners the signed magnitude arithmetic(al) that version can visually be realized within 10, by strengthening version can visually realize 100 with
Interior signed magnitude arithmetic(al).Using this utility model, rechoning by the abacus sub-color can be configured according to actual needs.And rechoning by the abacus deposits card
Groove is arcuate groove, arcuate groove one end closure, and the arcuate groove other end is connected with link slot, is conducive to the keeping of rechoning by the abacus, will not be light
Rechoning by the abacus easy to lose；And child is when in use, according to the communication direction of arcuate groove and link slot, can more easily determine
The slip route of rechoning by the abacus is so that calculating process is vivider.
The present embodiment structure is simple, easy to use.Using this utility model, can intuitively demonstrate out several compositions, pass through
Operation, child can come to realize the physical presence of abstract numeral, complete intuitively imaginal thinking well and arrive numeral abstract thinking
Conversion；By operation, child can come to realize within ten the Computing Principle of addition and subtraction within even 100, so that in study in the future
In more fully understand the Computing Principle of multiplication and division on the basis of addition and subtraction, come to realize mathematics reason in operation, exploitation mathematics is thought
Dimension.
Brief description
Fig. 1 is the initiation plate structure schematic diagram of mathematical operations plate shown in embodiment 1；
Fig. 2 is the strengthening version structural representation of mathematical operations plate shown in embodiment 2.
In figure：1 panel；The sub- storage area of 2 rechonings by the abacus；The sub- storage area of 2-1 position rechoning by the abacus；2-2 ten
The sub- storage area of rechoning by the abacus；3 mathematical operation areas；4 rechoning by the abacus deposit draw-in groove；4-1 position rechoning by the abacus deposits draw-in groove；4-
20 rechoning by the abacus deposit draw-in groove；5 rechoning by the abacus；6 mathematical operation grooves；Groove is calculated in 6-1 unitss student movement；6-
Groove is calculated in 2 tens student movements；7 link slots；7-1 position link slot；Ten link slots of 7-2；9 is vertical
Connectivity slot.
Specific embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail.
Embodiment 1：
Mathematical operations plate, including panel 1, panel 1 is provided with the sub- storage area of rechoning by the abacus 2 and mathematical operation area 3, and rechoning by the abacus is deposited
Area 2 is provided with rechoning by the abacus and deposits draw-in groove 4, and rechoning by the abacus is deposited and is provided with least ten rechoning by the abacus 5, the surface of every rechoning by the abacus 5 in draw-in groove 4
Indicate a numeral " 1 "；Mathematical operation area 3 is provided with mathematical operation groove 6, and mathematical operation groove 6 side sequentially indicates Arabic numerals
1、2、3、4、5、6、7、8、9、10；Rechoning by the abacus is deposited draw-in groove 4 and is connected with link slot 7, and link slot 7 is connected with mathematical operation groove 6.Pearl
It is provided with below operator 5 and can deposit, in rechoning by the abacus, the slide block sliding in draw-in groove 4, mathematical operation groove 6 and link slot 7.Described rechoning by the abacus
Depositing draw-in groove 4 is arcuate groove, arcuate groove one end closure, and the arcuate groove other end is connected with link slot, is conducive to the keeping of rechoning by the abacus,
Rechoning by the abacus will not be lost easily；And child is when in use, according to the communication direction of arcuate groove and link slot, can be convenient
Ground determines the slip route of rechoning by the abacus so that calculating process is vivider.
In the present embodiment, described mathematical operation area 3 is additionally provided with the vertical connection groove 9 vertical with mathematical operation groove 6, vertically connects
The quantity of groove 9 is ten, is marked in the Arabic numerals 1,2,3,4,5,6,7,8,9,10 of mathematical operation groove 6 side respectively sequentially
It is particularly located at outside each vertical connection groove 9 end；Link slot 7 is end to end with mathematical operation groove 6.The sub- storage area 2 of described rechoning by the abacus
It is provided with two rechoning by the abacus and deposits draw-in groove 4, each rechoning by the abacus is deposited all has ten rechoning by the abacus in draw-in groove 4, constitute initiation version.
For described rechoning by the abacus, two rechoning by the abacus of sub- storage area 2 deposit draw-in groove 4, are stored in one of rechoning by the abacus and deposit draw-in groove
Ten rechoning by the abacus in 4 can be selected for same color, such as yellow etc..And be stored in another rechoning by the abacus and deposit ten pearls in draw-in groove 4
Operator can be selected for another kind of color, such as redness etc..
Using the initiation version of the mathematical operations plate of the present embodiment, can be used for the signed magnitude arithmetic(al) within 10.As 3+4, for
Be located at "+" left-hand digit 3, three rechoning by the abacus that can deposit first rechoning by the abacus in draw-in groove 4 slide into mathematical operation area 3
Vertical connection groove 9 upper end, is from left to right corresponding in turn in the Arabic numerals 1,2,3 in vertical connection groove 9 outside.For "+"
The numeral 4 on the right, four rechoning by the abacus that can deposit another rechoning by the abacus in draw-in groove 4 slide into vertically connecting of mathematical operation area 3
Groove 9 upper end, is from left to right corresponding in turn in the Arabic numerals 4,5,6,7 in vertical connection groove 9 outside.From left to right denumerable
Have 7 rechoning by the abacus, then understand 3+4=7.
And for example：First rechoning by the abacus, for positioned at "-" left-hand digit 5, can be deposited five rechonings by the abacus in draw-in groove 4 by 5-2
Son slides into vertical connection groove 9 upper end in mathematical operation area 3, be from left to right corresponding in turn in vertical connection groove 9 outside Ah
Arabic numbers 1,2,3,4,5.For the numeral 2 on the right of "-", in existing five rechonings by the abacus in mathematical operation area 3, from the right side
Dial three rechoning by the abacus to a left side successively, remaining two rechoning by the abacus.Then understand 5-3=2.
In practical application, the color of rechoning by the abacus can be arranged as required to into shades of colour.As long as the quantity of rechoning by the abacus meets
At least ten addition and subtractions that can quickly and easily realize within 10.The present embodiment is sub by two different colors of rechoning by the abacus, often
Rechoning by the abacus of kind of color is respectively equipped with ten, is in order to more vivid and vivo realize the addition and subtraction within 10；Operator is left
The numeral on right both sides can be realized by fiddling with rechoning by the abacus of different colours respectively.
Embodiment 2：
The present embodiment is with the difference of embodiment 1：
In this enforcement, described mathematical operation area is provided with two mathematical operation grooves 6, and two mathematical operation grooves 6 are respectively a position
Groove 6-2 is calculated in mathematical operation groove 6-1 and tens student movement.The side of groove 6-1 is calculated in unitss student movement and tens student movement calculates groove 6-2's
Side all sequentially indicates Arabic numerals 1,2,3,4,5,6,7,8,9,10, unitss student movement calculate groove 6-1 end indicate " individual
Position ", the end that groove 6-2 is calculated in tens student movement indicates " ten ".Described link slot 7 is also provided with two, and two link slots 7 are respectively
For individual position link slot 7-1 and ten link slot 7-2.Individual position link slot 7-1 calculates groove 6-1 with unitss student movement and connects, ten connections
Groove 7-2 calculates groove 6-2 with tens student movement and connects.The sub- storage area 2 of described rechoning by the abacus also can be divided into a position rechoning by the abacus sub- storage area 2-1 and ten
Position rechoning by the abacus sub- storage area 2-2, individual position rechoning by the abacus sub- storage area 2-1 are provided with two position rechoning by the abacus and deposit draw-in groove 4-1, ten rechoning by the abacus
Storage area 2-2 is also provided with two ten rechoning by the abacus and deposits draw-in groove 4-2；Rechoning by the abacus sub- storage area 2-1 in individual position has deposited at least 18
Rechoning by the abacus 5, the sub- storage area 2-2 of ten rechonings by the abacus has deposited at least ten rechoning by the abacus 5, described position link slot 7-1 and unitss
Groove 6-1 is end to end for computing, constitutes strengthening version.
In the present embodiment, rechoning by the abacus 5 that rechoning by the abacus sub- storage area 2-1 in individual position deposits selects 20.Individual position rechoning by the abacus is deposited
20 rechoning by the abacus 5 of area 2-1 are divided into two groups of two position rechoning by the abacus depositing in a position rechoning by the abacus sub- storage area 2-1 respectively and deposit
In draw-in groove 4-1, one of rechoning by the abacus that rechoning by the abacus in position is deposited in draw-in groove 4-1 can be selected for same color, each and every one position another
Rechoning by the abacus that rechoning by the abacus is deposited in draw-in groove 4-1 can be selected for another kind of color.
In the present embodiment, rechoning by the abacus son 5 quantity that the sub- storage area 2-2 of ten rechonings by the abacus deposits are also chosen by 20, ten rechonings by the abacus
20 rechoning by the abacus 5 of sub- storage area 2-2 are also divided into two groups of two ten pearls depositing in the sub- storage area 2-2 of ten rechonings by the abacus respectively
Operator is deposited in draw-in groove 4-2, and rechoning by the abacus 5 that one of them ten rechoning by the abacus is deposited in draw-in groove 4-2 can be selected for same color, separately
Rechoning by the abacus 5 that one ten rechoning by the abacus are deposited in draw-in groove 4-2 can be selected for another kind of color.
Individual position rechoning by the abacus is deposited draw-in groove 4-1 and is connected with a position link slot 7-1.Ten rechoning by the abacus deposit draw-in groove 4-2 and ten
Link slot 7-2 connects.
In the present embodiment, rechoning by the abacus that the sub- storage area 2-2 of ten rechonings by the abacus deposits also can indicate digital " 10 ", for replacing
Digital " 1 ".
Using the strengthening version of the mathematical operations plate of the present embodiment, can be used for the signed magnitude arithmetic(al) within 100.As 52+37, right
Numeral 5 on Yu Shiwei, five rechoning by the abacus that can deposit first ten rechoning by the abacus in draw-in groove 4-2 slide into tens student movement
Calculate groove 6-2, five rechonings by the abacus be corresponding in turn to from top to bottom in tens student movement calculate groove 6-2 side Arabic numerals 1,2,3,4,
5.For the numeral 3 on another ten, three rechoning by the abacus that can deposit second ten rechoning by the abacus in draw-in groove 4-2 slide into ten
Position mathematical operation groove 6-2, three rechoning by the abacus are corresponding in turn to the Arabic numerals calculating groove 6-2 side in tens student movement from top to bottom
6、7、8.For the numeral 2 on individual position, two rechoning by the abacus that can deposit first position rechoning by the abacus in draw-in groove 4-1 slide into individual
Position mathematical operation groove 6-1, two rechoning by the abacus are corresponding in turn to the Arabic numerals calculating groove 6-1 side in unitss student movement from top to bottom
1、2.For the numeral 7 on another, each and every one position rechoning by the abacus another can be deposited seven rechoning by the abacus in draw-in groove 4-1 and slide into
Groove 6-1 is calculated in unitss student movement, and seven rechoning by the abacus are corresponding in turn to the Arabic number calculating groove 6-1 side in unitss student movement from top to bottom
Word 3,4,5,6,7,8,9.Understand, the rechoning by the abacus quantum count that tens student movement is calculated in groove 6-2 amounts to eight, groove is calculated in unitss student movement
Rechoning by the abacus quantum count in 6-1 amounts to nine.Therefore, can get 52+37=89.
In calculating process, if the rechoning by the abacus quantum count that unitss student movement is calculated on groove 6-1 reaches ten, to tens student movement
Calculate groove 6-2 and enter 1.
In practical application, the color of rechoning by the abacus can be arranged as required to into shades of colour.Rechoning by the abacus sub- storage area 2-1 in individual position deposits
As long as rechoning by the abacus put meets at least 18, as long as rechoning by the abacus that the sub- storage area 2-2 of ten rechonings by the abacus deposits meets at least ten,
The addition and subtraction within 100 can quickly and easily be realized.In the present embodiment, in order to more vivid and within vivo realizing 100
Addition and subtraction；Rechoning by the abacus that rechoning by the abacus sub- storage area 2-1 in individual position deposits selects 20, and 20 rechoning by the abacus are divided into two groups respectively
Deposit in two position rechoning by the abacus and deposit in draw-in groove 4-1, one of position rechoning by the abacus deposits ten rechoning by the abacus in draw-in groove 4-1
Can be selected for same color, ten rechoning by the abacus that each and every one position rechoning by the abacus another is deposited in draw-in groove 4-1 can be selected for another kind of color.Ten
Rechoning by the abacus that position rechoning by the abacus sub- storage area 2-2 deposits is also chosen by 20, and 20 rechoning by the abacus are also divided into two groups and deposit in respectively
Two ten rechoning by the abacus are deposited in draw-in groove 4-2, and ten rechoning by the abacus that one of them ten rechoning by the abacus is deposited in draw-in groove 4-2 can be selected for
Same color, ten rechoning by the abacus that another ten rechoning by the abacus are deposited in draw-in groove 4-2 can be selected for another kind of color.
Remaining is with embodiment 1.
Above several preferred embodiments of the present utility model are made to be discussed in detail.Described specific embodiment is only
It is to be used to help understand core concept of the present utility model.It should be pointed out that to those of ordinary skill in the art, not
On the premise of departing from this utility model principle, this utility model can also be carried out with some improvement and modify, these improve and repair
Decorations fall within this utility model scope of the claims.
Claims (5)
1. mathematical operations plate, including panel it is characterised in that panel is provided with the sub- storage area of rechoning by the abacus and mathematical operation area, rechoning by the abacus
Sub- storage area is provided with rechoning by the abacus and deposits draw-in groove, and rechoning by the abacus is deposited and is provided with least ten rechoning by the abacus in draw-in groove；Mathematical operation area is provided with
Mathematical operation groove, mathematical operation groove side sequentially indicates Arabic numerals 1,2,3,4,5,6,7,8,9,10；Rechoning by the abacus deposits card
Groove is connected with link slot, and link slot is connected with mathematical operation groove, is provided with and can deposit draw-in groove, mathematics fortune in rechoning by the abacus below rechoning by the abacus
Calculate the slide block sliding in groove and link slot；
It is arcuate groove that described rechoning by the abacus deposits draw-in groove, arcuate groove one end closure, and the arcuate groove other end is connected with link slot.
2. mathematical operations plate according to claim 1 is it is characterised in that described mathematical operation area is additionally provided with and mathematical operation
The vertical vertical connection groove of groove, the quantity of vertical connection groove is ten, be marked in mathematical operation groove side Arabic numerals 1,2,
3rd, 4,5,6,7,8,9,10 sequentially it is particularly located at respectively outside each vertical connection groove end；Link slot and mathematical operation groove head and the tail phase
Connect；The sub- storage area of described rechoning by the abacus is provided with two rechoning by the abacus and deposits draw-in groove, and each rechoning by the abacus is deposited all has ten rechonings by the abacus in draw-in groove
Son.
3. mathematical operations plate according to claim 2 is deposited in draw-in groove it is characterised in that being stored in one of rechoning by the abacus
Ten rechonings by the abacus selects same color, and is stored in ten rechonings by the abacus that another rechoning by the abacus deposits in draw-in groove from another kind of face
Color.
4. mathematical operations plate according to claim 1 and 2 is it is characterised in that described mathematical operation area is provided with two mathematics
Computing groove, two mathematical operation grooves are respectively unitss student movement and calculate groove and tens student movement calculation groove；The one of groove is calculated in unitss student movement
The side of side and tens student movement calculation groove all sequentially indicates Arabic numerals 1,2,3,4,5,6,7,8,9,10, and unitss student movement is calculated
The end of groove indicates " individual position ", and the end that groove is calculated in tens student movement indicates " ten "；Described link slot is also provided with two, two
Link slot is respectively a position link slot and ten link slots；Individual position link slot is calculated groove with unitss student movement and is connected, ten link slots
Calculate groove with tens student movement to connect；The sub- storage area of described rechoning by the abacus is also divided into a sub- storage area of position rechoning by the abacus and ten rechoning by the abacus are deposited
Area, rechoning by the abacus sub- storage area in individual position is provided with position rechoning by the abacus and deposits draw-in groove, and the sub- storage area of ten rechonings by the abacus is provided with ten rechoning by the abacus and deposits
Draw-in groove；Rechoning by the abacus sub- storage area in individual position has deposited at least 18 rechoning by the abacus；The sub- storage area of ten rechonings by the abacus has deposited at least ten pearls
Operator；Described position link slot is end to end with unitss student movement calculation groove.
5. mathematical operations plate according to claim 4 is it is characterised in that the rechoning by the abacus deposited of the sub- storage area of described position rechoning by the abacus
Quantum count is 20, and rechoning by the abacus sub- storage area in individual position is provided with two position rechoning by the abacus and deposits draw-in groove, the sub- storage area of individual position rechoning by the abacus
20 rechoning by the abacus are divided into two groups of two position rechoning by the abacus depositing in a sub- storage area of position rechoning by the abacus respectively and deposit in draw-in groove, wherein
Rechoning by the abacus that rechoning by the abacus in position is deposited in draw-in groove one by one selects same color, and each and every one position rechoning by the abacus another deposits the pearl in draw-in groove
Operator is from another kind of color；The rechoning by the abacus quantum count that the sub- storage area of ten rechonings by the abacus is deposited also is 20, and ten rechoning by the abacus are deposited
It is provided with two ten rechoning by the abacus in area and deposits draw-in groove, 20 rechoning by the abacus of the sub- storage area of ten rechonings by the abacus are also divided into two groups and deposit respectively
Two ten rechoning by the abacus being put in the sub- storage area of ten rechonings by the abacus are deposited in draw-in groove, and one of them ten rechoning by the abacus is deposited in draw-in groove
Rechoning by the abacus selects same color, and rechoning by the abacus that another ten rechoning by the abacus are deposited in draw-in groove selects another kind of color.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620014528.9U CN205959464U (en) | 2016-01-08 | 2016-01-08 | Mathematics operation panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620014528.9U CN205959464U (en) | 2016-01-08 | 2016-01-08 | Mathematics operation panel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205959464U true CN205959464U (en) | 2017-02-15 |
Family
ID=57966399
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620014528.9U Expired - Fee Related CN205959464U (en) | 2016-01-08 | 2016-01-08 | Mathematics operation panel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205959464U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112466190A (en) * | 2020-12-17 | 2021-03-09 | 何文波 | Addition and subtraction operation panel |
-
2016
- 2016-01-08 CN CN201620014528.9U patent/CN205959464U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112466190A (en) * | 2020-12-17 | 2021-03-09 | 何文波 | Addition and subtraction operation panel |
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