,小学数学第二册(北师大版),练习三,30508016 760,80,96,67,40167614586,56,62,52,673014222043,37,36,63,8440965155 3,44,45,58,小明从家到学校，再到少年宫，共走了多少米？ （米）,42+35=77,小明从家到学校比从家到少年宫少走多少米？ （米）,54-42=12,小熊投篮,5 接着画.,(1),(2),(3),38-1=,49-12=,25+12=,70-33=,20+17=,23+14=,妈妈有100元钱，可以怎么买？,8710 781034234116,=,465 4648640 864,716 72696-50 6+50,22,6,28,+,23,20,3,-,9,2,7,9,9,9,9,6,11,11,12,21,13,31,14,22,11,33,21,44,31,55,22,33,44,41,55,15,51,66,16,61,77,17,71,88,18,81,99,11,12,13,41,14,66,51,15,77,61,16,88,71,17,99,81,18,
