一年级数学上册第5单元6_10的认识和加减法《加减混合》同步作业新人教版.doc

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1加减混合 1、在括号内填上适当的数使等式成立。( )( )( )02、计算下列结果。(1)542(2)145(3)271(4)1044(5)813(6)765(7)264(8)341(9)723(10)2243、应用题。(1)原来有 8 只猴子,又来了一只,现在有多少只?过了一会又走了三只,现在又有多少只呢?(2)小明口袋里有 8 个糖果,吃了 3 个,妈妈又给小明买了 2 个,现在小明有糖果多少个?参考答案:1、在括号内填上适当的数使等式成立。(6 )( 4 )( 10 )02、计算下列结果。(1)5427(2)1450(3)2718(4)10442(5)81310(6)7656(7)26442(8)3416(9)7238(10)22403、应用题。(1)8+1=9 8+1-3=6(2)8-3+2=7

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