◆六絃之首[共](ice2240580) (20:23:27) |
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◆嚼嚼尼特爵士[村](1130) (20:22:01) |
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◆六絃之首[共](ice2240580) (20:21:34) |
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◆六絃之首[共](ice2240580) (20:21:26) |
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◆嚼嚼尼特爵士[村](1130) (20:20:51) |
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◆嚼嚼尼特爵士[村](1130) (20:20:38) |
| | (19:11) ◆Jessica 狼首日咬到占不是人的問題,為甚麼要去吊一個吊狼的... |
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◆Ow Q ~♩[占戀](helloworld0) (20:20:38) |
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◆Ow Q ~♩[占戀](helloworld0) (20:20:27) |
| | 四邊形面積 1/2 (a^2 + bc) = 1/4 (b^2 + c^2 + 2bc) = 25/2 |
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◆六絃之首[共](ice2240580) (20:20:25) |
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◆Ow Q ~♩[占戀](helloworld0) (20:20:23) |
| | 畢氏定理:c^2 + b^2 = 2a^2 托勒密定理:5√2a = ab + ac => b + c = 5√2 => b^2 + c^2 + 2bc = 50 |
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| | ◆猜也 118吊死狼 我不覺得那新手會身內阿(嚼) 新手是哪位!? |
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◆Ow Q ~♩[占戀](helloworld0) (20:20:16) |
| | 設 AB = c, BC = b, CD = DA = a, AC = √2a |
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◆六絃之首[共](ice2240580) (20:20:13) |
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◆Ow Q ~♩[占戀](helloworld0) (20:20:09) |
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◆六絃之首[共](ice2240580) (20:19:36) |
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◆嚼嚼尼特爵士[村](1130) (20:19:29) |
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◆六絃之首[共](ice2240580) (20:18:42) |
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◆嚼嚼尼特爵士[村](1130) (20:18:36) |
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