化简a/a-b+b/a-b+1
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化简a/a-b+b/a-b+1化简a/a-b+b/a-b+1化简a/a-b+b/a-b+1=(a+b)/(a-b)+1=(a+b)/(a-b)+(a-b)/(a-b)=(a+b+a-b)/(a-b)=
化简a/a-b+b/a-b+1
化简a/a-b+b/a-b+1
化简a/a-b+b/a-b+1
=(a+b)/(a-b)+1=(a+b)/(a-b)+(a-b)/(a-b)=(a+b+a-b)/(a-b)=2a/(a-b)
化简|a|+|-b|-|a-b|-|a+b|
化简 |b|-|a|+|a-b|+|a+b|
化简 |a-b|+|a+b|-|a-b|
化简|a+b|-|a-b|
(a-b)(-a-b)化简?
化简a/a-b+b/a-b+1
化简、a-b分之a、+b-a分之b,+1
化简1/(a+b)√(b/a+a/b+2)
(a+b).(a-b)
a/b-b/a
a+b>a-b,
化简 (a+b)²+2a(a-1/2b)-3(a-b)(a+b)
化简：|a+b|+|b-a|+|2b|
|b|-|a-b|-|a+b|化简
化简|a-1|-|b-a|
化简(2a-b/a+b-b/a-b)除以a-2b/a+b
化简(2a-b/a+b-b/a-b)除以a-2b/a +b
化简：{[(2a-b)/(a+b)]-[b/(a-b)]}÷[(a-2b)/(a+b)]