问题 解答题
口算
1.05×0.2=0.7×11=100×0.74=3.6÷12=
6.4÷0.8=7.3×0.1=7.5×0.15=0.78÷0.3=
2.4×5=36÷0.1=0.25×4=9.1÷0.7=
答案

1.05×0.2=0.21;0.7×11=7.7;100×0.74=74;3.6÷12=0.3;
6.4÷0.8=8;7.3×0.1=0.73;7.5×0.15=1.125;0.78÷0.3=2.6;
2.4×5=12;36÷0.1=3.6;0.25×4=1;9.1÷0.7=13.

单项选择题
单项选择题