[俊朗]數學老師的小孩
數學老師的第一個小孩是男生還是女生?
Ans:女生
因為先設X再設Y
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推
11/30 20:27, , 1F
11/30 20:27, 1F
推
11/30 20:34, , 2F
11/30 20:34, 2F
推
11/30 20:35, , 3F
11/30 20:35, 3F
推
11/30 20:36, , 4F
11/30 20:36, 4F
噓
11/30 20:41, , 5F
11/30 20:41, 5F
→
11/30 21:05, , 6F
11/30 21:05, 6F
推
12/01 00:13, , 7F
12/01 00:13, 7F
噓
12/02 17:58, , 8F
12/02 17:58, 8F