用不同的消元法解方程组:2x-y=3,3x+4y=10.3x+2y=2 2x+y=0
用不同的消元法解方程组:2x-y=3,3x+4y=10.3x+2y=2 2x+y=0
x+y/2+x-y/3=6,4(x+y)-5(x-y)=2用加减消元法解方程组
如果方程组3x+y=k x+3y=2的解x,y
方程组x-2y=8,3x-4y=5,x=?,y=?
解方程组X+Y/2=3X-2Y=10+6X+Y/4
解方程组{ 3x-4y(x-y)=3 { 2x-3y=1
解方程组x+y/3=x-y/4 2x+3y=11
用代入法解方程组:y=3(x-y),x=2(x-y)
已知x,y的值满足方程组x+2y=3,x-y=-2,求x/(x-y)²+x²-y²/(x+
求x+y/3+x-y/2=6 3(x+y)-2(x-y)=28方程组的解
解方程组:2(x-y)/3-x+y/4=-1 ,6(x+y)-4(2x-y)=16
3(x+y)+2(x-y)=36 4(x+y)-5(x-y)=2 解方程组