口算：
| x+0.4x= |
4.8÷0.6= |
1÷0.2= |
5.2×25×0.2= |
| 0.8×0.8= |
6.23﹣0.2= |
0.7x×5= |
10﹣5.2﹣3.1= |
口算：
| x+0.4x= |
4.8÷0.6= |
1÷0.2= |
5.2×25×0.2= |
| 0.8×0.8= |
6.23﹣0.2= |
0.7x×5= |
10﹣5.2﹣3.1= |
试题篮
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