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=
网友回答
解：0.75×2=1.50.42×0.2=0.0842.5×0.4=140×1.3=520.07×8=0.561.2×0.4=0.480.08×0.5=0.041.25×8=100.03×3.1=0.0931.3×5=6.5
解析分析：根据小数乘法的计算方法进行计算．据此解答．
点评：本题主要考查了学生小数乘法的计算能力，注意计算结果的准确性．