题目内容
【题目】口算下面各题.
2.3×0.3= 0.42×0.2= 1.4×0.7=
0.16×0.6= 1.2×0.5= 2×0.45=
【答案】0.69,0.084,0.98,0.096,0.6,0.9.
【解析】
试题分析:根据小数乘法的计算方法进行计算
解:
2.3×0.3=0.69, 0.42×0.2=0.084, 1.4×0.7=0.98,
0.16×0.6=0.096, 1.2×0.5=0.6, 2×0.45=0.9.
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