人教版二年级数学上册-考试试题卷系列-教材过关卷(9)-答案
教材过关卷(7)一、我会填。(每题4分,共24分)1.用下面三张卡片能摆成( )个不同的两位数。2.用下面三张卡片能摆成( )个不同的两位数。3.用下面四张卡片能摆成( )个不同的两位数。4.用下面的三个数字任选2个求积,有( )种可能。5.明明选一套衣服,共有( )种选法。6.每两人通一次电话,一共要通( )次电话。二、用红、黄、蓝、绿四种颜色给每组中的两个涂上不同的颜色,一共有( )种涂色方法。(9分)三、有3个数2、5、7,任意选取其中2个数求差,得数有几种可能?(8分)四、3名同学站成一排照相,有多少种站法?(8分)五、下面有3本书,送给小方、小丽、小军各一本,一共有多...
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