解方程组:1/4(2x+3y)+1/3(2x-3y)=7 1/3(2x+3y) +1/2(2x-3y)=8
来源:学生作业帮助网 编辑:六六作业网 时间:2024/11/26 23:26:35
解方程组:1/4(2x+3y)+1/3(2x-3y)=71/3(2x+3y)+1/2(2x-3y)=8解方程组:1/4(2x+3y)+1/3(2x-3y)=71/3(2x+3y)+1/2(2x-3y)
解方程组:1/4(2x+3y)+1/3(2x-3y)=7 1/3(2x+3y) +1/2(2x-3y)=8
解方程组:1/4(2x+3y)+1/3(2x-3y)=7 1/3(2x+3y) +1/2(2x-3y)=8
解方程组:1/4(2x+3y)+1/3(2x-3y)=7 1/3(2x+3y) +1/2(2x-3y)=8
令2x+3y=m,2x-3y=n m/4+n/3=7 3m+4n=12*7 6m+8n=24*7 m/3+n/2=8 2m+3n=48 6m+9n=48*3 n=48*3-24*7=-24 m=60 2x+3y=60 2x-3y=-24 4x=36 x=9,y=14
解方程组{ 3x-4y(x-y)=3 { 2x-3y=1
解方程组解方程组{y=2x-7{x+y+z=1{3x-z=4
利用图像解方程组解方程组2x-y=1,x+2y=3
解方程组:解方程组:|X+Y|=1|X|+2|Y|=3
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2(x-y)/3-x+y/4=-1 6(x-y)-4(2x-y)=16
解方程组:2(x-y)/3-x+y/4=-1 ,6(x+y)-4(2x-y)=16
解二元一次方程组3(x+y)-4(x-y)=4 x+y/2+x-y/6=1
解方程组3(x+y)-4(x-y)=4和(x+y)/2+(x-y)/6=1kkkkkkkk
解方程组3(x+y)-4(x-y)=4,x+y除以2+x-y除以6=1
解二元一次方程组{3(x+y)-(x-y)=4,x+y/2+x-y/6=1
解方程组{2(x-y)/3 - x+y/4=-1 6(x+y)-41(x-y)=12
解方程组8/(x+y) +(x-y)/2=3,6/(x+y)-(x-y)/4=1
解方程组:2/x+3/y=0.25 ,4/x+(x+2)/y=1
二元一次方程组 2(X+Y)-(X-Y)=3 (X+Y)-2(X-Y)=1 解方程组二元一次方程组 2(X+Y)-(X-Y)=3 (X+Y)-2(X-Y)=1
解二元一次方程组:3(x+y)-4(x-y)=4,x+y/2+x-y/6+1x+y/2+x-y/6+1=1
2+3x/5+4y=9,4+6y-y=1解方程组
解方程组:x/4+y/3=3,3(x-4)-2(y-1)=-1