[討論] 問個問題..
下面這個圖..
┌─┬─┬─┬─┐
│\│/│\│/│
├─┼─┼─┼─┤
│/│\│/│\│
└─┴─┴─┴─┘
畫得不是很好啦..
一共有幾個四邊形啊?
有沒有閒人想算一下?
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噓
10/02 21:42, , 1F
10/02 21:42, 1F
推
10/02 23:28, , 2F
10/02 23:28, 2F
→
10/02 23:29, , 3F
10/02 23:29, 3F
推
10/02 23:45, , 4F
10/02 23:45, 4F
→
10/03 00:18, , 5F
10/03 00:18, 5F
→
10/03 03:16, , 6F
10/03 03:16, 6F
推
10/03 20:00, , 7F
10/03 20:00, 7F
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