解方程组3(x-3)+10(2/3+y)=13,22(x-3)+5(2/3+y)=27.
解方程组X+Y/2=3X-2Y=10+6X+Y/4
求{5x-y=10 2x+3y=13这个方程组的解
解方程组:(x+3)(y-2)=(x-3)(y+10),(x+1)(y+3)=(x-2)(y+12)
解方程组3(x-3)+10(2/3+y)=13,22(x-3)+5(2/3+y)=27.
解二元一次方程组:{5(x+y)+3(x-y)=2{7(x+y)-3(x-y)=-6
解方程组 2x+y(y-2x)=9 (x+y)(x+y-3)=10
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 10(x-y)=3(x+y)+15 6(x+y)=4(2x-y)+16
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