(3x-5y-11)*(3x-5y-11)+|9x+2y-16|=0怎么解?
(3x-5y-11)*(3x-5y-11)+|9x+2y-16|=0怎么解?
3(x+y)-4(x-y)=11,2(x-y)+5(x+y)=27
y-3x=2,y-5x=4,y-7x=6,y-9x=8,y-11x=0方程组,
解方程组 {3(x+y)-4(x-y)=11 {2(x-y)+5(x+y)=27全过程、快
解方程组 {3(x+y)-4(x-y)=11 {2(x-y)+5(x+y)=27
(1){x+2y=0,3x+4y=6(2){5x+6y=16,7x-9y=5(3){9x-11y+1=0,4x-5y-3
已知x-y/x+y=3,求代数式5(x-y)/x+y-x+y/2(x-y)
(y-x)(x-y)^3(y-x)^5怎么算
3x+2=y 5X+4=Y 7X+6=Y 9X+8=y 11x=y要如何计算
3x+2=y 5x+4=y 7x+6=y 9x+8=y 11x=y
3x+2=y 5x+4=y 7x+6=y 9x+8=y 11x=y 联立方程 有的话
matlab解方程怎么出错了[x,y,z]=('x^2-5*y^2+7*z^2+12=0 ','3*x*y+x*z-11