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英文問題..有錯..?無錯...? (230)
casio 發表於 2006-09-241. Will you jolly or not if you have your salary increased? 2. "always be cheerful" can make lots of friend for your own. 3. being perky always ,which can ...全文
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數學問題 (718)
bkpm 發表於 2006-06-20Solve the equation 3tanh²x - 4sechx + 1 =0 懶得計...幫幫手thank you ...全文
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