化简:5*a‘2/5ab= ,9a*b'2+6abc/3*a'2*b= ,(x+y)y/x*y'2=
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化简:5*a‘2/5ab= ,9a*b'2+6abc/3*a'2*b= ,(x+y)y/x*y'2=
![化简:5*a‘2/5ab= ,9a*b'2+6abc/3*a'2*b= ,(x+y)y/x*y'2=](/uploads/image/z/19549510-70-0.jpg?t=%E5%8C%96%E7%AE%80%3A5%2Aa%E2%80%982%2F5ab%3D+%2C9a%2Ab%272%2B6abc%2F3%2Aa%272%2Ab%3D+%2C%28x%2By%29y%2Fx%2Ay%272%3D)
化简:
5a^2/5ab=a/b
9ab^2+6abc/3a^2b=9ab^2+2c/a
(x+y)y/xy^2=(x+y)/xy=1/x+1/y
5a^2/5ab=a/b
9ab^2+6abc/3a^2b=9ab^2+2c/a
(x+y)y/xy^2=(x+y)/xy=1/x+1/y
define A(x,y) x*y-x/y main(){int a=5,b=2,y;y=A(a+b,a-b);prin
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几道因式分解..4ab(a+b)^2-6a^2b(a+b)(x+y)^2(x-y)+(x+y)(x-y)^22a(a-3
ab-a*1/3b=?3x*5x-3x*2y=?
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