
[中學] 2題數學問題請教~


2題都完全不知道該從何下手,尤其是第2題,想請教站上大師指點方向,感謝您,謝謝您
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09/23 21:38, , 1F
09/23 21:38, 1F
推
09/23 21:42, , 2F
09/23 21:42, 2F
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09/23 21:43, , 3F
09/23 21:43, 3F
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09/23 21:43, , 4F
09/23 21:43, 4F
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09/23 22:31, , 5F
09/23 22:31, 5F
推
09/24 07:27, , 6F
09/24 07:27, 6F
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09/24 07:39, , 7F
09/24 07:39, 7F
推
09/24 10:30, , 8F
09/24 10:30, 8F
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