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| 999 |
_c2434 _d2434 |
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| 005 | 20200915102020.0 | ||
| 008 | 200915b ||||| |||| 00| 0 eng d | ||
| 020 | _a4932 | ||
| 040 | _cCML | ||
| 245 |
_aInstruction in Arithmetic. _cNational, C. |
||
| 260 |
_aWashington _bNatioanal Council _c1960 |
||
| 942 |
_2ddc _cBK _e1st Edition _h511 _mNAT |
||