1.计算:(x^(2m)/x^(m-2))^(4)/(a^(3)·x^(m))^(3)
计算:(x-y)m(y-x)2m+(y-x)3m.
1.计算:(x^(2m)/x^(m-2))^(4)/(a^(3)·x^(m))^(3)
1.计算:(x^(2m)/x^(m-2))^(4)/(x^(3)·x^(m))^(3)
一、计算 (1)x^2(x^2-x-1)-x(x^2-3x) (2) (2m+3)(m-2)-(1-2m)(3-m) (
计算(1)2(x+1)^2+4(-x-1) (2)(4x^2+3x)^2-(x+1)^2 (3)-a(m-n)+(m-n
计算:(1)(m-n)^2*(n-m)^5*(m-n)^5 (2)(-x)^2*x^3+2x^3*(-x)^2-x*x^
计算 (-2x)(x-1)-(x-2)(x+3) [4(a-b)^m-1]*[-3(a-b)^2m]
计算:(x/y^3)^-2 计算:m+n/m-n除以mn+m^2/2m
方程4x+1=3x+2m与3x+m=5x-4有相同的解,则m=?(要计算过程)
(x^2-x)^2+3x(x-1)-54 、 (m^2+3m)^2-8(m^2+3m)+16 、 (c^2-a^2-b^
计算(1)(3m-4n)(3m+4n)-(2m-2n)(2m+n) (2)(x+5y)²-(x-5y)
关于x的方程m^2x^2+(2m+3)x+1=0有两个乘积为1的跟,x^2+2(a+m)x+2a-m^2+6m-4=0有