化简:a-[b-2a-(a-b)]
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化简:a-[b-2a-(a-b)]化简:a-[b-2a-(a-b)]化简:a-[b-2a-(a-b)]a-[b-2a-(a-b)]=a-[b-2a-a+b]=a-(2b-3a)=a-2b+3a=4a-
化简:a-[b-2a-(a-b)]
化简:a-[b-2a-(a-b)]
化简:a-[b-2a-(a-b)]
a-[b-2a-(a-b)]
=a-[b-2a-a+b]
=a-(2b-3a)
=a-2b+3a
=4a-2b
原式=a-[b-2a-a+b]
=a-[2b-3a]
=a-2b+3a
=4a-2b
a-[b-2a-(a-b)]
=a-[b-2a-a+b]
=a-b+2a+a-b
=4a-2b
=a-[b-2a-a+b]
=a-[2b-3a]
=a-2b+3a
=4a-2b
化简:a-[b-2a-(a-b)]
化简(2a-b/a+b-b/a-b)÷a-2a/a-b
化简:|a+b|+|b-a|+|2b|
化简:[2/3a - 2/(a+b) * (a+b/3a - a - b)] / (a-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)]
化简a/b(a-b)-b/a(a-b)其中a=3 b=-2
化简|a|+|-b|-|a-b|-|a+b|
化简 |b|-|a|+|a-b|+|a+b|
化简 |a-b|+|a+b|-|a-b|
-2a(a+b)+b(a+b)
(a-b)(a+b)-(a^2+b^2)化简
化简:|2b-a|-|a+b|+|b-a|
化简1/(a+b)√(b/a+a/b+2)
化简a-(2b-a)
化简[根号(a-b)^2]-(a-b)
2a-(5b-a)+b化简