题目内容
| 心算. 2.5×4= |
8×0.125= | 0.5×20= |
| 3.5÷10= | 20÷100= | 1÷0.5= |
| 0.92×1= | 3.02÷3.02= | 0.1÷10= |
| 2.5×4=10, | 8×0.125=1, | 0.5×20=10, |
| 3.5÷10=0.35, | 20÷100=0.2, | 1÷0.5=2, |
| 0.92×1=0.92, | 3.02÷3.02=1, | 0.1÷10=0.01. |
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题目内容
| 心算. 2.5×4= |
8×0.125= | 0.5×20= |
| 3.5÷10= | 20÷100= | 1÷0.5= |
| 0.92×1= | 3.02÷3.02= | 0.1÷10= |
| 2.5×4=10, | 8×0.125=1, | 0.5×20=10, |
| 3.5÷10=0.35, | 20÷100=0.2, | 1÷0.5=2, |
| 0.92×1=0.92, | 3.02÷3.02=1, | 0.1÷10=0.01. |