四年级下册数学单元测试-第四单元-苏教版
http://t.cn/Ri466E4第四单元演练一、填空题。1.在计算器上,先按2再按4,显示器上是( ),接着按×,显示器上是( ),再接着按5,显示器上是( )。2.在计算器上进行如下操作:12×,计算器上显示( ),继续输入:13015=结果是( )。二、用计算器计算并填一填。三、用计算器计算下面各题。67×99+67×2=3000-56×48=1960÷(2198-2142)=3702-(1632-980)=5000-89×25=178×320-197=四、用计算器计算并找规律填数。1.11×99= 111×999= 1111×9999= × ...
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