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递等式计算876-238+162832÷8+4975120-680×5900-452-348836÷4×545×6+6×55.
题目详情
递等式计算
876-238+162 | 832÷8+497 | 5120-680×5 |
900-452-348 | 836÷4×5 | 45×6+6×55. |
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答案和解析
876-238+162, =638+162, =800; | 832÷8+497, =104+497, =601; | 5120-680×5, =5120-3400, =1720; |
900-452-348, =900-(452+348), =900-800, =100; | 836÷4×5, =209×5, =1045, | 45×6+6×55, =(45+55)×6, =100×6, =600. |
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