问题 解答题
直接写出得数.
0.42÷7=2÷5=1÷0.2=7÷8=
8.4÷2.1=0.69÷1=1.26÷0.6=0.5÷0.2=
0.9×100÷1000=12.4-(2.4+3.25)=0.01÷0.001×0.1=0.5×0.1÷0.5×0.1=
答案

0.42÷7=0.06;2÷5=0.4;1÷0.2=5;7÷8=0.875;
8.4÷2.1=4;0.69÷1=0.69;1.26÷0.6=2.1;0.5÷0.2=2.5;
0.9×100÷1000=0.09;12.4-(2.4+3.25)=6.75;0.01÷0.001×0.1=1;0.5×0.1÷0.5×0.1=0.01;

单项选择题
单项选择题