[中學] 二次函數 (應用問題)
http://ppt.cc/Ewep
我算出來答案是12
可是答案是12乘上根號2
想請問怎麼會這樣
人家說我算的是弦
那我要怎麼算出直徑
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◆ From: 163.20.33.14
推
03/17 18:10, , 1F
03/17 18:10, 1F
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03/17 18:16, , 2F
03/17 18:16, 2F
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03/17 18:25, , 3F
03/17 18:25, 3F
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03/17 18:25, , 4F
03/17 18:25, 4F
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03/17 18:26, , 5F
03/17 18:26, 5F
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03/17 18:26, , 6F
03/17 18:26, 6F
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03/17 18:27, , 7F
03/17 18:27, 7F
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03/17 18:27, , 8F
03/17 18:27, 8F
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03/17 18:36, , 9F
03/17 18:36, 9F
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03/17 18:38, , 10F
03/17 18:38, 10F
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03/17 18:41, , 11F
03/17 18:41, 11F
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03/17 18:41, , 12F
03/17 18:41, 12F
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03/17 19:05, , 13F
03/17 19:05, 13F
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03/17 19:07, , 14F
03/17 19:07, 14F
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03/17 19:18, , 15F
03/17 19:18, 15F
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03/17 19:18, , 16F
03/17 19:18, 16F
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03/17 19:18, , 17F
03/17 19:18, 17F
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03/17 19:40, , 18F
03/17 19:40, 18F
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03/17 19:40, , 19F
03/17 19:40, 19F
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03/17 19:40, , 20F
03/17 19:40, 20F
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03/17 19:42, , 21F
03/17 19:42, 21F
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03/17 19:42, , 22F
03/17 19:42, 22F
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03/17 19:43, , 23F
03/17 19:43, 23F
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03/17 20:08, , 24F
03/17 20:08, 24F
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03/17 20:08, , 25F
03/17 20:08, 25F
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03/17 20:08, , 26F
03/17 20:08, 26F
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03/17 21:35, , 27F
03/17 21:35, 27F
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03/17 21:36, , 28F
03/17 21:36, 28F
推
03/17 21:37, , 29F
03/17 21:37, 29F
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03/17 21:38, , 30F
03/17 21:38, 30F
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03/17 21:38, , 31F
03/17 21:38, 31F
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03/17 21:40, , 32F
03/17 21:40, 32F
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03/17 21:43, , 33F
03/17 21:43, 33F
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03/17 21:43, , 34F
03/17 21:43, 34F
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03/17 21:44, , 35F
03/17 21:44, 35F
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03/17 21:57, , 36F
03/17 21:57, 36F
推
03/17 22:48, , 37F
03/17 22:48, 37F
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03/17 22:49, , 38F
03/17 22:49, 38F
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03/17 22:50, , 39F
03/17 22:50, 39F
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01/02 15:42,
5年前
, 40F
01/02 15:42, 40F
→
07/07 11:57,
4年前
, 41F
07/07 11:57, 41F