10y+2(7y-2)=5(4y+3)+3y怎么算
10y+2(7y-2)=5(4y+3)+3y怎么算
解方程:10y-2(7y-2)=5(4y+3)-2y怎么解
(2y-3)(-y+4)=(y-2)(y-5)-3y(y-7/3)解方程
(4x-2y-z)-{5x[8y-2y-(x+y)]-x+(3y-10z)]=? kuai
解方程:1/5(3-2y)=2-4-7y/10+y-2/2
3-y/2+y=7y-6/8 怎么算
1.5y+8y-6y=2y-3
解方程3y^2-(2y+1)(y-2)=(y-5)(y-1)
解方程:3y^2-(2y+1)(y-1)=(y-5)(y+1)
[-(x-y)^2/xy]^-4*(y^2-xy/x)^3*(x^4/y^10)÷(xy-y^2/x)^-5=-y(y-
{2x+y/3-2y=0 2(2x+y)-5=7y
解3y+5/3y-6=1/2+5y-4/2y-4