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科目:小学数学 来源: 题型:
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科目:小学数学 来源: 题型:
| 用合适的方法计算下面各题 9.54-0.88+0.45= 9.11 9.11 |
3.5-0.24-0.36= 2.9 2.9 |
945÷(3×3)= 105 105 |
| 31+45+54+69= 199 199 |
400×6×18= 43200 43200 |
(78+69)÷7= 21 21 . |
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科目:小学数学 来源: 题型:填空题
| 用合适的方法计算下面各题 9.54-0.88+0.45=________ | 3.5-0.24-0.36=________ | 945÷(3×3)=________ |
| 31+45+54+69=________ | 400×6×18=________ | (78+69)÷7=________. |
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