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標題: F4 quadratic equations問題一條 [打印本頁]

作者: YYOPENC 時間: 09-9-26 03:48 PM 標題: F4 quadratic equations問題一條

simplify the following and express the results in the form a+bi
.32) (i-2/5i) + (4+5i/1-2i)
)要步驟thx...........................

作者: 無間道 時間: 09-9-27 08:08 PM

答案= -8/5i + 14i/5i ???

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