標題:
math因式分解.........
發問:
最佳解答:
1. x2-(y-z)2 =(x-y+z)(x+y-z)// 2. (a-b)-(a-b)2 =(a-b)[1-(a-b)] =(a-b)(1-a+b)//
其他解答:
1. x2-(y-z)2 = x2-(y2-2yz+z2) = x2-y2+2yz-z2) 2. (a-b)-(a-b)2 = (a-b)-(a2-2ab+b2) = (a-b)-a2+2ab-b2 = a-b-a2+2ab-b2
math因式分解.........
發問:
此文章來自奇摩知識+如有不便請留言告知
1. x2-(y-z)2 2. (a-b)-(a-b)2最佳解答:
1. x2-(y-z)2 =(x-y+z)(x+y-z)// 2. (a-b)-(a-b)2 =(a-b)[1-(a-b)] =(a-b)(1-a+b)//
其他解答:
1. x2-(y-z)2 = x2-(y2-2yz+z2) = x2-y2+2yz-z2) 2. (a-b)-(a-b)2 = (a-b)-(a2-2ab+b2) = (a-b)-a2+2ab-b2 = a-b-a2+2ab-b2
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