题目内容
| 心算. 0.3+0.7= |
0.5×0.6= | 100×0.08= |
| 0.6-0.3= | 8-0.5= | 0.5+3.1= |
| 0.8×0.2= | 0.1-0.01= | 5.6-0.6= |
| 0.3+0.7=1, | 0.5×0.6=0.3, | 100×0.08=8, |
| 0.6-0.3=0.3, | 8-0.5=7.5, | 0.5+3.1=3.6, |
| 0.8×0.2=0.16, | 0.1-0.01=0.09, | 5.6-0.6=5. |
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题目内容
| 心算. 0.3+0.7= |
0.5×0.6= | 100×0.08= |
| 0.6-0.3= | 8-0.5= | 0.5+3.1= |
| 0.8×0.2= | 0.1-0.01= | 5.6-0.6= |
| 0.3+0.7=1, | 0.5×0.6=0.3, | 100×0.08=8, |
| 0.6-0.3=0.3, | 8-0.5=7.5, | 0.5+3.1=3.6, |
| 0.8×0.2=0.16, | 0.1-0.01=0.09, | 5.6-0.6=5. |