[數撚圍爐區] Most mathematicians are bipolar disorders... (8)

1001 回覆
13 Like 12 Dislike
2019-02-10 15:00:15
咁多位大佬,呢幾題點做?
2019-02-10 15:14:33
x = x+0 = x + [a + (-a)] = ...
(a + b) + [(-a) + (-b)] = ...
0 + 0 = ...
2019-02-10 15:18:11
2019-02-10 15:19:04
2019-02-10 15:19:54
2019-02-10 15:21:43
2019-02-10 15:23:09
人火係咪即係咁?
2019-02-10 15:25:11
2019-02-10 15:26:13
2019-02-10 15:27:01
2019-02-10 15:27:33
2019-02-10 15:29:29
2019-02-10 15:30:04
2019-02-10 15:30:29
2019-02-10 15:30:41
2019-02-10 15:32:51
明白,多謝ching
2019-02-10 15:43:07
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