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
Application number
JP7032989U
Other languages
English (en)
Japanese (ja)
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP7032989U priority Critical patent/JPH0311276U/ja
Publication of JPH0311276U publication Critical patent/JPH0311276U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Instructional Devices (AREA)
  • Electrically Operated Instructional Devices (AREA)
  • Toys (AREA)
JP7032989U 1989-06-15 1989-06-15 Pending JPH0311276U (US08063081-20111122-C00044.png)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7032989U JPH0311276U (US08063081-20111122-C00044.png) 1989-06-15 1989-06-15

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7032989U JPH0311276U (US08063081-20111122-C00044.png) 1989-06-15 1989-06-15

Publications (1)

Publication Number Publication Date
JPH0311276U true JPH0311276U (US08063081-20111122-C00044.png) 1991-02-04

Family

ID=31606398

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7032989U Pending JPH0311276U (US08063081-20111122-C00044.png) 1989-06-15 1989-06-15

Country Status (1)

Country Link
JP (1) JPH0311276U (US08063081-20111122-C00044.png)

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