| 年级 | 科目 | 问题描述 | 提问时间 |
| 六年级 | 数学 | 分数乘法 | 2016-09-01 17:48:31 |
a
—— * c = a ( ) 7
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| 吴维成 2016-09-01 18:56:27 | |||
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| 姜晨欣 2016-09-01 19:31:19 | |||
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| 吴维成 2016-09-01 17:50:35 | |||
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| 吴维成 2016-09-01 18:56:34 | |||
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| 姜晨欣 2016-09-01 17:55:23 | |||
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| 姜晨欣 2016-09-01 18:00:27 | |||
a
—— * c = a ( ) 7 | |||
| 姜晨欣 2016-09-01 18:03:59 | |||
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| 学点点涂老师 2016-09-01 18:10:54 | |||
原式乘以7得a*7c 括号填7c | |||
| 吴维成 2016-09-01 18:15:18 | |||
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| 吴维成 2016-09-01 18:15:34 | |||
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| 姜晨欣 2016-09-02 19:46:42 | |||
我饿了 | |||
| 吴维成 2016-09-03 13:19:35 | |||
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| 吴维成 2016-09-03 13:25:14 | |||
| 我还真在这等这，你拿不了我则样，你就是缺心眼 | |||
| 吴维成 2016-09-03 13:26:05 | |||
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| 吴维成 2016-09-03 13:26:36 | |||
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