x-y=17.55 y*10=x
1个回答
x=19.5,y=1.95
相关问题
x=y+2 10x+y=2(x+10y)-17 把它解出来
2(x+y)-10=4x (1+10%)x+(1+15%)y=17解方程组
5 x²+2y²+2xy-14x-10y+17=0求x,y
{x+y+e=10 x+3y+2e=17 2y-x+3e=18
x+y=5; x^y+y^x=17
x2-y2=55,x-y=5,则x+y=______.
{x+y+z=10{2x+3y+z=17{3x+2y-z=8的解
x+y=17x²+y²=169
7x-3y=-1 10x+3y+1=0 4x-5y=-17 4x+5y+8=0
X+2Y=55 2X+3Y=90求X,Y