题目内容
| 直接写出得数. 0.42÷7= | 7÷8= |
| 8.4÷2.1= | 0.5÷O.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= |
| 0.42÷7=0.06; | 7÷8=0.875; |
| 8.4÷2.1=4; | 0.5÷O.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. |
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