小学数学第三册第一单元测二年级数学试卷
日期:2010-08-15 08:52
????(1)?30+15+21=?????????(2)?40+20+18=??????????(3)?21+19+36=????(4)?19+8+6=???????????(5)?31+25+7=???????????(6)?44+6+28=(7)?90-50-20=?????????(8)?56-16-20=??????????(9)?39-19-6=二,错的画“×”,对的画“√”,小学数学第三册第一单元测试卷一,计算下面各题,检查下列各题,1?????3??4????????????????2????7??4????????????????3????4??8+??1??5???????????????????-??2??3???????????????????+??3??5?(???????)????????????????(????????)?????????????????(???????)????????????+??3??2???????????????????-??4??5???????????????????-??2??6?????????????(???????)????????????????(????????)?????????????????(???????)4??????9??0???????????????5?????6??3????????????????6????7??2???????-??6??7???????????????????+??1??7???????????????????-??2??7????????(???????)????????????????(????????)?????????????????(??????)???????+??3??8???????????????????+??8??0???????????????????+??5??4????????(???????)????????????????(????????)?????????????????(??????三,口算下列各题,(1)??????3??9?????????????(2)??????1??4?????????????(3)?????8??2??????+??1??8???????????????????+??3??9??????????????????-??2??9?????????4??7??????????????????????5??3?????????????????????5??3+??2??1???????????????????+??1??6??????????????????-??2??6????????6??8?????????????????????,
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