[考題] 100年臺北市國中數學 Q.45.54.67
這三題想了很久都想不出來
Q45 請問有多少個自然數n使得 n^2+n+17為完全平方數
Q54 三角形ABC,角A=45度 角B=30度 ,作一正n邊形使其頂點包含A、B、C三點,
則最小的n為多少?
Q67 平行四邊形ABCD中,三角形AFB : 四邊形CDEF=6:11
求 線段AE:線段ED=?
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06/13 13:16, , 1F
06/13 13:16, 1F
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06/13 13:16, , 2F
06/13 13:16, 2F
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06/13 13:21, , 3F
06/13 13:21, 3F
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06/13 13:22, , 4F
06/13 13:22, 4F
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06/13 13:22, , 5F
06/13 13:22, 5F
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06/13 13:22, , 6F
06/13 13:22, 6F
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06/13 13:22, , 7F
06/13 13:22, 7F
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06/13 13:23, , 8F
06/13 13:23, 8F
推
06/13 13:26, , 9F
06/13 13:26, 9F
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06/13 13:27, , 10F
06/13 13:27, 10F
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06/13 13:28, , 11F
06/13 13:28, 11F
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06/13 13:31, , 12F
06/13 13:31, 12F
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06/13 13:32, , 13F
06/13 13:32, 13F
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06/13 13:32, , 14F
06/13 13:32, 14F
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06/13 13:54, , 15F
06/13 13:54, 15F
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06/13 13:55, , 16F
06/13 13:55, 16F
推
06/13 14:01, , 17F
06/13 14:01, 17F
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06/13 22:40, , 18F
06/13 22:40, 18F
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06/13 22:41, , 19F
06/13 22:41, 19F
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06/14 00:05, , 20F
06/14 00:05, 20F