摘要:14-8〇5??13-4〇9???9+6〇15??11-3〇7??17-8〇6 3+5〇12-3?15-6〇11-3 ?10+7〇17-8 ? 19-9〇6+5?12-8〇11-8
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计算下面各题.(能简算的要简便计算)
查看习题详情和答案>>
| 7.8×9.8-14.5 | 13.4+5.62+17.6+4.38 | 3.6×42+4.2×64 |
| 4.8×12.5×0.8 | 1.76-[(0.74+0.26)÷0.8] | (1.89+1.4×3)÷0.25. |
简便计算:
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12÷[(
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24×(
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4.5×7.3+4
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1-3
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(1-
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