3x+1=4y-x=y+2怎么解?
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方程2x+y=3,4x-y=-1,6x+y+z=8怎么解
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
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{3(x+y)-4(x-y)=4 {x+y/2 + x-y/6=1
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怎么解二元一次方程组2(x-y)/3-x+y/4=-1和6(x+y)-4(2x-y)=16
这个二元一次方程怎么解2(x-y) / 3 - (x+y) / 4 = -1,6(x+y) - 4(2x-y) = 16.
怎么解二元一次方程组2(x-y)/3-x+y/4=-1和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 怎么求啊,
2(x-y)/3+x+y/4=-1 6(x+y)-4(2x-y)=16怎么解方程组
怎么解二元一次方程组2(x-y)/3-x+y/4=-1和6(x+y)-4(2x-y)=16用整体带入,快
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{x/60+y/80=10,x/60+y/40=15、{2x/3+3y/4=1/5,5x/6-5y/2=2、{5/2(x+y)=1200,10/3(x+y)=1200{4x+5y=98,5y-4x=2、{x/3+y/4=54/60,y/4+x/5=42/60怎么解?{40-y=x-4 40-y=y-x
4x方y/(x-2y)(x+2y)怎么算[x方/x-2y]-4x方y/(x-2y)(x+2y)=?