化简(a^2-2+2^-2)/(a^2-A^-2)要过程哦谢谢了,
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化简(a^2-2+2^-2)/(a^2-A^-2)要过程哦谢谢了,
化简(a^2-2+2^-2)/(a^2-A^-2)要过程哦谢谢了,
化简(a^2-2+2^-2)/(a^2-A^-2)要过程哦谢谢了,
应该是[a^2-2+a^(-2)]/[a^2-a^(-2)] [a^2-2+a^(-2)]/[a^2-a^(-2)] =(a-1/a)/[(a+1/a)(a-1/a)] =(a-1/a)/[(a+1/a) =(a-1)/(a+1)
化简(a/a-2-a/a+2)×4-a/a(a/a-2-a/a+2)×4-a/a
2a+a²/a-a 化简.(2a+a²/a)-a
化简; a-2a+3a-4a+5a-6a+``````-2006a+2007a.
化简:a-2a+3a-4a+5a-6a+.+2010a+2011a.
[a/(a-1)+a/(a+2)](a+2)/(2a平方+3a+1)化简
化简(a/a-2-a/a+3)*a^2+a-6/a
化简:[2/3a - 2/(a+b) * (a+b/3a - a - b)] / (a-b)/a
化简2a(a-1/2)+a
计算(3a×a)+(2a×3a)+(3a×a)+[a×(a+2a+2a+2a+a)]
化简:(1-a)^2/a-1 (a
化简:a-[b-2a-(a-b)]
化简:2A+0.5A-6A
计算(2a a a×2.5a) (a 2a 2a 2a×1.5a)
(a 1)(a 2)(a 3)(a
a²a+2a²+a
(a+2)(a+1)-a(a-3)
化简(a^2-2+a^-2)/(a^2-a^-2)
化简(a+1)(a-2)/(a+2)(a-2)+3