化简(a+b/a^2b-ab^2-4/a^2-b^2)÷a^2-2ab+b^2/a^2-ab^2

来源：学生作业帮编辑：作业帮分类：数学作业时间：2024/09/13 02:49:36

[(a+b)/(a²b-ab²)-4/(a²-b²)]÷[(a²-2ab+b²)/(a²b-ab²)]
=[(a+b)/ab(a-b)]÷[(a-b)²/ab(a-b)]
=[(a+b)ab(a-b)]/[ab(a-b)(a-b)²]
=(a+b)/(a-b)²

a+b/2ab 2AB/A+B （a-b)(a^2+ab+b) 化简化简 (a²+b²/a²-b²-a-b/a+b)÷2ab/(a-b)(a+b)& 因式分解a^+b^+2a^b+2ab^+a^+b^+3ab+a+b a-b/a^2+ab / ab-a^2/a^2b^2-b^4 化简 a+2根号ab+b/a-b-(根号a/a+根号ab-根号b/b-根号ab)÷根号a/b+根号ab 若a/b=2 则a*a-ab+b*b/a*a+b*b等于? 计算ab/(a+b-1)(a+b)+ab/(a+b)(a+b+1)+ab/(a+b+1)(a+b+2)+.+ab/(a+ a(a-1)-(a×a-b)=-5,求(a×a+b×b)÷2-ab 已知a^2+ab+b^2|ab(a+b),求证(a-b)^3>3ab a^2b-ab+2ab^2-5a^b-4ab+3ab^2化简快