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科目:小学数学 来源: 题型:
| 脱式计算.(能简算的要简算) (1)275+450÷18×24 |
(2)1.46+29+371+8.54 | (3)
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| (4)19.9+19.9×99 | (5)
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(6)888×9+28×111. |
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科目:小学数学 来源: 题型:
| 2-(6÷0.5-3×3)÷5+5×0.8 | 4
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| 1.25×3.45×6.789+3.75×1.15×1.211 |
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科目:小学数学 来源: 题型:
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