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歡迎您訪問數學考題練習:方程x2+2=x化成一般形式后,a,b,c的值!

數學考題練習:方程x2+2=x化成一般形式后,a,b,c的值

更新時間:2024-01-12 14:02:08作者:貝語網校

方程x2+2=x化成一般形式后,a,b,c的值分別為

A.1,1,2

B.1,-1,-2

C.1,-1,2

D.1,1,-2

試題答案

C

寫二次項系數、一次項系數及常數項常犯的錯誤是漏掉符號,應引起重視,A漏掉一次項系數的符號,B常數項不正確,D一次項系數與常數項均不正確.
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