口算下面各题．0.7×0.9=0.14×0.3=3.2×0.3=0.16×0.5=7×0.08=1.8×0.04=60×0.5=0.24×3=7.7×0.03=0.1

网友回答

解：0.7×0.9=0.630.14×0.3=0.0423.2×0.3=0.960.16×0.5=0.087×0.08=0.561.8×0.04=0.07260×0.5=300.24×3=0.727.7×0.03=0.2310.12×6=0.722.1×4=8.40.15×0.4=0.06
解析分析：根据小数乘法的计算 方法进行解答即可．


点评：在计算小数乘法时要注意：积的小数位数等于两个因数小数位数的和．