标题 (共 319 项) | 回答数 | 状态 | 提问时间 |
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56 |
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11-01-15 |
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 |
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22 |
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12-10-20 |
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16 |
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09-09-03 |
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14 |
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09-09-03 |
截一个几何体-圆柱有多少个截面?分别是什么? (同步习题) [七年级/数学] | 13 |
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11-12-09 |
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11 |
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12-11-14 |
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10 |
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12-01-15 |
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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10 |
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12-11-04 |
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9 |
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12-11-15 |
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9 |
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12-10-20 |
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9 |
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09-09-03 |
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8 |
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09-09-03 |
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7 |
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12-11-15 |
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7 |
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09-09-03 |
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7 |
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09-09-03 |
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6 |
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09-09-03 |
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6 |
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09-09-03 |
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6 |
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09-09-03 |