(a^2-b^2)/(a+b) [(a+b)^2-4ab]/(a-b)^2 计算(a^2-b^2)/(a+b)[(a+b)^2-4ab]/(a-b)^2
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(a^2-b^2)/(a+b) [(a+b)^2-4ab]/(a-b)^2 计算(a^2-b^2)/(a+b)[(a+b)^2-4ab]/(a-b)^2
(a^2-b^2)/(a+b) [(a+b)^2-4ab]/(a-b)^2 计算
(a^2-b^2)/(a+b)
[(a+b)^2-4ab]/(a-b)^2
(a^2-b^2)/(a+b) [(a+b)^2-4ab]/(a-b)^2 计算(a^2-b^2)/(a+b)[(a+b)^2-4ab]/(a-b)^2
1、(a²-b²)/(a+b)
=(a+b)(a-b)/(a+b)
=a-b
2、[(a+b)²-4ab]/(a-b)²
=[a²+2ab+b²-4ab]/(a-b)8
=[a²-2ab+b²]/(a-b)²
=[a-b]²/(a-b)²
=1
(a^2-b^2)/(a+b) [(a+b)^2-4ab]/(a-b)^2
=[(a+b)(a-b)]/(a+b)(a^2+2ab+b^2-4ab)/(a^2-2ab+b^2)
=a-b
-2a(a+b)+b(a+b)
5(a*a*b-3*a*a*b)-2*(a*a*b-7*a*b*b)
(a+2b)(a-2b)+(a-b)(a+b)-2(a-3b)(a-b)
化简:a-[b-2a-(a-b)]
化简(2a-b/a+b-b/a-b)÷a-2a/a-b
(2/3a)-[2/(a+b)]{[(a+b)/3a]-a-b}÷[(a-b)/b]
(a/a-b-a/a+b)(a+b)(a-b)/2b
(2/3a)-[2/(a+b)]{[(a+b)/3a]-a-b}÷[(a-b)/a]
化简:[2/3a - 2/(a+b) * (a+b/3a - a - b)] / (a-b)/a
(b-a)*(b-a)+(b-a)*2*a等于多少?
-a-b+2b^2/a+b
化简:|a+b|+|b-a|+|2b|
|a+b|-|b-a|+|2b|化简哦!
a-b+2b²/a+b
通分a-b,2b^/a+b
化简(2a-b/a+b-b/a-b)除以a-2b/a+b
计算:((a+b)(a-b)-(a-b)^2+2b(a-b))/4(a-b)
化简(2a-b/a+b-b/a-b)除以a-2b/a +b