求解方程组:X/4+Y/3=1 X-2y=2 和 5x+2y=10 (8X+3y)(10X+4Y
求解方程组:X/4+Y/3=1 X-2y=2 和 5x+2y=10 (8X+3y)(10X+4Y-10)=160
求解方程组:X/4+Y/3=1 X-2y=2 和 5x+2y=10 (8X+3y)(10X+4Y
解方程组:(0.2x+0.1y)/2- (4x-y)/10=(x-y)/5+ (3x+0.5y)/30 (3x+2y-1
10/x+y+3/x-y=-5 15/x+y-2/x-y=-1(用换元法解此方程组)
解方程组3(x+y)-4(x-y)=4和(x+y)/2+(x-y)/6=1
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 10(x-y)=3(x+y)+15 6(x+y)=4(2x-y)+16
方程组求解:1:3x+y=2 25x-2y=0 2:4x-3y=14 5x+3y=31
(4x-2y-z)-{5x[8y-2y-(x+y)]-x+(3y-10z)]=? kuai
解方程组(1)2x-3y=10,-4x+y=5 (2)3x-2y=15,5x-4y=23
5x+y=2 x-3y=4 二元一次方程组求解