题目内容
| 口算. 3-1.06= | 12-0.5×4= |
| 1.8×4= | (5+0.6)÷7= |
| 0.125×4= | 3.5-3.5÷7= |
| 8×3.1= | 2.6+0.48÷0.4= |
| 9.3÷3= | 1.2×0.25×4= |
| 3-1.06=1.94, | 12-0.5×4=10, |
| 1.8×4=7.2, | (5+0.6)÷7=0.8, |
| 0.125×4=0.5, | 3.5-3.5÷7=3, |
| 8×3.1=24.8, | 2.6+0.48÷0.4=3.8, |
| 9.3÷3=3.1, | 1.2×0.25×4=1.2. |
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