5a^2b(x-y)^3乘[-2ab(x-y)^2]^3=
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5a^2b(x-y)^3乘[-2ab(x-y)^2]^3=
![5a^2b(x-y)^3乘[-2ab(x-y)^2]^3=](/uploads/image/z/20242928-56-8.jpg?t=5a%5E2b%28x-y%29%5E3%E4%B9%98%5B-2ab%28x-y%29%5E2%5D%5E3%3D)
5a²b(x-y)^3×[-2ab(x-y)^2]^3=5a²b(x-y)³×[-8a³b³(x-y)^6]=-40a^5b^4(x-y)^9
3乘a= b乘h乘2= x乘y= 2 乘 x= x乘x= 4乘a+5乘b= x乘x乘8-3乘x=
己知A=8乘x的平方乘y减减6乘x乘y的平方减3乘x乘y,B=7乘x乘y的平方减2乘x乘y加5乘x的平方乘y,若
化简题.化简,(a^-3b^4)^2乘(3a^2b)^-2.(x+y)乘x^2/x^2-y^2+y^2/y-x.y-3/
对于有理数a,b定义a乘b=3a+2b,则(x+y)乘(x-y)乘3x化简后得?
x²(x+y)(y-x)-xy(x+y)(x-y) 已知a+b=4,ab=-2,求多项式3a²b+3
ab-a*1/3b=?3x*5x-3x*2y=?
计算:(2a-5b)(2a^2-3ab+b^2) (3x+2y)(2x+3y)-(x-3y)(3x+4y)
计算:1.【x-3y】乘【5a-2b】; 2.【-5x-1/3y】乘【3/5x-3/4y+2】;
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
有理数ab定义:a*b=3a+2b.则[(x+y)*(x-y)]*3x.怎么化简?
ab是有理数a*b=2a-3b求【(x-y)*(x+y)】*x的值
3a-3b/10ab*25a^b3/a^-b^= x^-4y^/x^+2xy+y^/x+2y/2x^+2xy