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_aCY-NiPEI
082 7 _a372.7
_223
245 1 0 _aMathematics for the elementary school :
_bgrade 4 /
_cSchool Mathematics Study Group.
260 _aCalifornia:
_bSchool Mathematics Study Group,
_c1964.
300 _av. ;
_c24 cm.
490 0 _a;
_v26
650 0 _aMathematics
_xStudy and teaching (Elementary)
_911273
710 0 _aSchool Mathematics Study Group
_4pbl
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911 _a022635
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_n372.37 SMS
_p1
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911 _a022785
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_n372.7 SMS
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_cBK
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999 _c13704
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