[中學] 正三角形求長度
正三角形內部一點,到兩端點的距離是√19(根號19)和√39(根號39),
求到另外一端點的距離?
謝謝。
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推
08/14 22:50, , 1F
08/14 22:50, 1F
→
08/14 22:51, , 2F
08/14 22:51, 2F
推
08/14 22:55, , 3F
08/14 22:55, 3F
→
08/14 22:55, , 4F
08/14 22:55, 4F
→
08/14 23:14, , 5F
08/14 23:14, 5F
→
08/15 02:18, , 6F
08/15 02:18, 6F
→
08/15 06:59, , 7F
08/15 06:59, 7F
推
08/15 09:48, , 8F
08/15 09:48, 8F
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