(4a-b)-2(a-3b)化简
(3a*4b)-[(4b*2a)/2]-[(3a+b)/2]化简
化简:5(a-2b+c)-4(-a+b-c)+4(3a-2b)
(3a-6b/a+b)-(5a-6b/a-b)-(4a-5b/a+b)-(7a-8b/b-a)
化简2a-[3a-5a-(2a-7b)]等于( ).A、-7a+10b B、5a+4b C、-a-4b D、9a-10b
2b根号a/b+3/a根号a立方b-(4a根号b/a+根号9ab)
2b²/(a-b)-b-a化简
(a+b)(a-2b)-(a+2b)(a-b)化简
化简:a(a-b)2-2b(a-b)(a+b).
化简(-0.5a+3b)(a-2b)
已知a.b满足b-a=-2014,求代数式【(a+b)(a-b)-(a-b)²-2b(b-a)】/(4b)的值
2b²+(a+b)(a-b)-(a-b)²,其中a=-3
(1):[(a+2b)^4]^3*(-a-2b)