方程组求解:1:3x+y=2 25x-2y=0 2:4x-3y=14 5x+3y=31
方程组求解:1:3x+y=2 25x-2y=0 2:4x-3y=14 5x+3y=31
5x+y=2 x-3y=4 二元一次方程组求解
求解三元一次方程组:{x+y/2=y+z/3=z+x/4 x+y+z=27
方程组x-2y=8,3x-4y=5,x=?,y=?
解方程组{ 3x-4y(x-y)=3 { 2x-3y=1
换元法解方程组3/x+y+2/x-y=17/5 2/x+y-5/x-y=1
解方程组:2(x-y)/3-x+y/4=-1 ,6(x+y)-4(2x-y)=16
x+y/2+x-y/3=6,4(x+y)-5(x-y)=2用加减消元法解方程组
3(x+y)+2(x-y)=36 4(x+y)-5(x-y)=2 解方程组
解方程组 {(x+y)/2+(x-y)/3=6 5(x+y)-2(x-y)=4
解方程组 X+Y/2+X-Y/3=6 4[X+Y]-5[X-Y]=2
解方程组{(x-2)(y+3)=(x+1)(y-1) {(x+1)(y+1)=(x-1)(y+5)