解方程组√5x+√3y=4 √5x-√3y=1
解方程组√5x+√3y=4 √5x-√3y=1
解方程组,√(x+1/y)+√(x-y-2)=4 2x-y+1/y=10
1/2x-2y=-74,x-6y=-12解方程组,x/5-y/2=2,2x+3y=4解方程组
解方程组:(0.2x+0.1y)/2- (4x-y)/10=(x-y)/5+ (3x+0.5y)/30 (3x+2y-1
解方程组{(x-2)(y+3)=(x+1)(y-1) {(x+1)(y+1)=(x-1)(y+5)
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)=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 X+Y/2+X-Y/3=6 4[X+Y]-5[X-Y]=2
解方程组 {3(x+y)-4(x-y)=11 {2(x-y)+5(x+y)=27
解方程组:①√5x+√2y=3②√2x+√5y=0