题目内容
【题目】口算题.
0.75×2=
0.42×0.2=
2.5×0.4=
40×1.3=
0.07×8=
1.2×0.4= 0.08×0.5= 1.25×8= 0.03×3.1= 1.3×5=
【答案】1.5,0.084,1,52,0.56,0.48,0.04,10,0.093,6.5
【解析】
试题分析：根据小数乘法的计算方法进行计算．据此解答．
解：0.75×2=1.5 0.42×0.2=0.084 2.5×0.4=1 40×1.3=52 0.07×8=0.56
1.2×0.4=0.48 0.08×0.5=0.04 1.25×8=10 0.03×3.1=0.093 1.3×5=6.5
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