因式分解a(a-b)+(b-a)²快!十分钟内!
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因式分解a(a-b)+(b-a)²快!十分钟内!
因式分解a(a-b)+(b-a)²
快!十分钟内!
因式分解a(a-b)+(b-a)²快!十分钟内!
a(a-b)+(b-a)²
=a(a-b)+(a-b)²
=(a-b)(a+a-b)
=(a-b)(2a-b)
=a(a-b)+(a-b)²
=(a+1)(a-b
a(a-b)+(b-a)²
=a(a-b)+(a-b)²
=(a-b)(a+a-b)
=(a-b)(2a-b)
a(a-b)+(b-a)^2
=a(a-b)+[-(a-b)]^2
=a(a-b)+(a-b)^2
=(a-b)*[a+(a-b)]
=(a-b)*(2a-b)