标题 (共 18 项) | 回答数 | 状态 | 提问时间 |
整式的加减--3ab和2ba是同类项吗? (同步习题) [七年级/数学] | 30 |
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11-12-08 |
整式的加减-同类项必须满足哪几个条件? (同步习题) [七年级/数学] | 10 |
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11-12-08 |
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6 |
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09-09-03 |
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4 |
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09-09-03 |
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3 |
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09-09-03 |
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2 |
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09-09-03 |
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2 |
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2 |
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09-09-03 |
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2 |
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09-09-03 |
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2 |
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09-09-03 |
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2 |
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09-09-03 |
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1 |
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09-09-03 |
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1 |
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09-09-03 |
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1 |
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09-09-03 |
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1 |
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09-09-03 |
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1 |
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09-09-03 |
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1 |
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09-09-03 |
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1 |
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09-09-03 |