3(x-3y)^7/[-2(x-3y)^3]
1个回答
3(x-3y)^7/[-2(x-3y)^3]
=-3/2*(x-3y)^4
相关问题
(x3-2y3-3x2y)-(3x3-3y3-7x2y)
3X-2Y=12X+3Y=-7╭3X-2Y=1╰2X+3Y=-7
(-7x-3y)(-7x-3y)(-7x+3y)(-7x+3y)=?
{x^3-2y^3-3x^2y}-{3x^3-3y^3-7x^2y} { 化简}
2x+3y/4+2x-3y/3=7和2x+3y/3+2x-3y/2=8 x=?,y=?
设[2x−y/x+y=3,其中x,y≠0,则(2x−3y)3−(3x−2y)3(4x+2y)3−(x−7y)3]=(
2x-3y-2=0 5x+3y=18 2x-3y=7 (2x-3y+5)/7+2y=9 2x-3y=3 6x+5y=35
2x+3Y=-5 x+3y=-7 x-y=3
① X+Y=3 Y=2X-3 ② x+2y=9 y-3x=1 ③3/x+1=y 2(x+1)=6 ④ y-x=3 7x-
解方程组 {2x+3y/4+2x-3y/3=7,2x+3y/3-2x-3y/2=32