JPH0311276U - - Google Patents
Info
- Publication number
- JPH0311276U JPH0311276U JP7032989U JP7032989U JPH0311276U JP H0311276 U JPH0311276 U JP H0311276U JP 7032989 U JP7032989 U JP 7032989U JP 7032989 U JP7032989 U JP 7032989U JP H0311276 U JPH0311276 U JP H0311276U
- Authority
- JP
- Japan
- Prior art keywords
- formula
- squares
- subtraction
- multiplication
- formulas
- 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
- Instructional Devices (AREA)
- Electrically Operated Instructional Devices (AREA)
- Toys (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7032989U JPH0311276U (bg) | 1989-06-15 | 1989-06-15 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7032989U JPH0311276U (bg) | 1989-06-15 | 1989-06-15 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH0311276U true JPH0311276U (bg) | 1991-02-04 |
Family
ID=31606398
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7032989U Pending JPH0311276U (bg) | 1989-06-15 | 1989-06-15 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0311276U (bg) |
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1989
- 1989-06-15 JP JP7032989U patent/JPH0311276U/ja active Pending