题目内容
| 直接写得数: 5.1-2=______; | 7.2÷1.2=______; | 3.86×10=______; | 3.9×0.01=______; |
| 1-0.55=______; | 0.4×0.3=______; | 98.4÷100=______; | 3.4+0.76=______. |
| 5.1-2=3.1; | 7.2÷1.2=6; | 3.86×10=38.6; | 3.9×0.01=0.039; |
| 1-0.55=0.45; | 0.4×0.3=0.12; | 98.4÷100=0.984; | 3.4+0.76=4.16. |
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