[中學] 幾何
我的作法是這樣
http://i.imgur.com/AvRRQ9Q.jpg
不知道還有沒有別的作法?
謝謝。
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推
09/29 15:19, , 1F
09/29 15:19, 1F
推
09/29 15:28, , 2F
09/29 15:28, 2F
→
09/29 15:37, , 3F
09/29 15:37, 3F
→
09/29 15:37, , 4F
09/29 15:37, 4F
→
09/29 15:39, , 5F
09/29 15:39, 5F
推
09/29 15:58, , 6F
09/29 15:58, 6F
推
09/29 16:03, , 7F
09/29 16:03, 7F
推
09/29 16:10, , 8F
09/29 16:10, 8F
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