x+3y=0;
x=-3y;
x/y=-3;
负x-2y分之负x加2y
=(-x+2y)/(-x-2y)
=(-x/y+2)/(-x/y-2)
=(3+2)/(3-2)
=5;
很高兴为您解答,skyhunter002为您答疑解惑
如果本题有什么不明白可以追问,
x+3y=0;
x=-3y;
x/y=-3;
负x-2y分之负x加2y
=(-x+2y)/(-x-2y)
=(-x/y+2)/(-x/y-2)
=(3+2)/(3-2)
=5;
很高兴为您解答,skyhunter002为您答疑解惑
如果本题有什么不明白可以追问,