| 1 |
| 1×2 |
| 1 |
| 2×3 |
| 1 |
| 3×4 |
| 1 |
| 48×49 |
| 1 |
| 49×50 |
| 1 |
| 2 |
| 6 |
| 25 |
| 1 |
| 1×2 |
| 1 |
| 2×3 |
| 1 |
| 3×4 |
| 1 |
| 48×49 |
| 1 |
| 49×50 |
| 1 |
| 2 |
| 1 |
| 2 |
| 1 |
| 3 |
| 1 |
| 3 |
| 1 |
| 4 |
| 1 |
| 48 |
| 1 |
| 49 |
| 1 |
| 49 |
| 1 |
| 50 |
| 1 |
| 50 |
| 49 |
| 50 |
| 1 |
| 2 |
| 6 |
| 25 |
| 2 |
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| 3 |
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| 2002 |
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| 2003 |
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| 2003 |
| 2002 |
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| 2003 |
科目:小学数学 来源: 题型:
| 简便计算 ①70.8-1.25-1.75 |
②5.81+8.3+4.19+11.7 | ③3.54×0.29-0.29×2.54 |
| ④0.25×17.3×0.4 | ⑤7.2×9.9 | ⑥48×0.69+3.1×4.8. |
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科目:小学数学 来源: 题型:
| 11 |
| 8 |
| 8 |
| 11 |
| 3 |
| 7 |
| 3 |
| 8 |
| 3 |
| 7 |
| 4 |
| 7 |
| 1 |
| 1×2 |
| 1 |
| 2×3 |
| 1 |
| 3×4 |
| 1 |
| 4×5 |
| 1 |
| 5×6 |
| 1 |
| 6×7 |
查看答案和解析>>
科目:小学数学 来源: 题型:解答题
| 简便计算 ①70.8-1.25-1.75 | ②5.81+8.3+4.19+11.7 | ③3.54×0.29-0.29×2.54 |
| ④0.25×17.3×0.4 | ⑤7.2×9.9 | ⑥48×0.69+3.1×4.8. |
查看答案和解析>>
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