人教版二年级数学上册-单元测试卷--第六单元表内乘法-周测培优卷9-答案
周测培优卷9一、我会填。(每空3分,共33分)1.1个正方形有( )个直角,7个正方形一共有( )个直角,()个正方形一共有36个直角。2.一座9层楼房,每层高3米,这座楼高多少米,列式是()。3.“求8个9相加是多少”的简便算式是( )或( )。4.1只蜜蜂6条腿,7只蜜蜂( )条腿,9只蜜蜂( )条腿。5.一共有( )个轮子。6.聪聪有30个正方形卡片,他( )(填能或不能)拼出右面的图形。7.第1棵树与第9棵树相距多少米,列式是( )。二、我会选。(每题3分,共9分)1.下列算式中结果最大的是( )。①7×9②8×8③43+572.用五五二十五这句口诀...
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