JPH03103797U - - Google Patents
Info
- Publication number
- JPH03103797U JPH03103797U JP1263190U JP1263190U JPH03103797U JP H03103797 U JPH03103797 U JP H03103797U JP 1263190 U JP1263190 U JP 1263190U JP 1263190 U JP1263190 U JP 1263190U JP H03103797 U JPH03103797 U JP H03103797U
- Authority
- JP
- Japan
- Prior art keywords
- sides
- inner edges
- shaped
- intersection
- inverted
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Drawing Aids And Blackboards (AREA)
Description
第１図は、本案の正面図。第２図は、本考案で
８９を隠している斜視図。第３図は、本考案で９
を隠している斜視図。第４図は、本考案で線を引
くところの斜視図。第５図は、本考案で十の位の
計算が終わつた斜視図。第６図は、本考案で十の
位の計算が終わり、一の位を下ろしたところの斜
視図。
１……定規部、２……押隠部、３……切り欠き
部。
Figure 1 is a front view of the project. FIG. 2 is a perspective view in which 89 is hidden in the present invention. Figure 3 shows 9 in this invention.
A perspective view that hides the . FIG. 4 is a perspective view of where lines are drawn in the present invention. Figure 5 is a perspective view of the tens digit calculation completed according to the present invention. Figure 6 is a perspective view of the present invention after the calculation of the tens digit is completed and the ones digit is lowered. 1... Ruler part, 2... Push-in part, 3... Notch part.
Claims (1)
二辺の交差部位に前記内縁の一部が直線状に伸長
したＶ形切り欠きを形成した構造を特徴とする、
逆Ｌ型割り算学習定規。 It is characterized by a structure in which the inner edges of the two sides of the strip intersect at right angles, and a V-shaped notch is formed at the intersection of the two sides, with a part of the inner edges extending linearly.
Inverted L-shaped division learning ruler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1263190U JPH03103797U (en) | 1990-02-10 | 1990-02-10 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1263190U JPH03103797U (en) | 1990-02-10 | 1990-02-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03103797U true JPH03103797U (en) | 1991-10-28 |
Family
ID=31516099
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1263190U Pending JPH03103797U (en) | 1990-02-10 | 1990-02-10 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03103797U (en) |
-
1990
- 1990-02-10 JP JP1263190U patent/JPH03103797U/ja active Pending
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