4/3x-2y+3/2x-5y=10 和 5/3x-2y-2/2x-5y=1方程组的解
解方程组:(0.2x+0.1y)/2- (4x-y)/10=(x-y)/5+ (3x+0.5y)/30 (3x+2y-1
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)
解方程组:x+y/2+x-y/3=6 4(x+y)-5(x-y)=12
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
10/x+y+3/x-y=-5 15/x+y-2/x-y=-1(用换元法解此方程组)
关于X,Y的方程组3X+2Y=2m+5与x-y=4m-5的解x,y满足x+2y
解方程组x:y=2:3和5x+3y=38 3y+x/y=8和9y-2x/y=9
解方程组3(x+y)-4(x-y)=4和(x+y)/2+(x-y)/6=1