问题 解答题
直接写出得数.
0.5×0.8=0.03+1.7=0.63÷0.07=2.5×3.1×0.4=
4÷0.01=1-0.66=7.2×0.6=0.2×0.2÷0.2×0.2=
答案

0.5×0.8=0.4,0.03+1.7=1.73,0.63÷0.07=9,2.5×3.1×0.4=3.1,
4÷0.01=400,1-0.66=0.34,7.2×0.6=4.32,0.2×0.2÷0.2×0.2=0.04,

单项选择题
单项选择题