100x+10y+z=100z+10y+x+99化简得
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100x+10y+z=100z+10y+x+99化简得
100x+10y+z=100z+10y+x+99化简得
100x+10y+z=100z+10y+x+99化简得
移项得99X=99Z+99 所以X=Z+1
x-z=1
99x-99z=99
x-z=1
x=1+z
x-z-1=0
z=x+1
解方程 Y=X+Z Y-Z=2 100Z+10Y+X-(100X+10Y+Z)=99 Y=X+ZY-Z=2100Z+10Y+X-(100X+10Y+Z)=99
100x+10y+z=27(x+y+z) x+z=y+1 100z+10y+x-100x-10y-z=99 解方程组100x+10y+z=27(x+y+z) x+z=y+1 100z+10y+x-100x-10y-z=99 .急.
紧急..x+y+z=20x+2y+1.5z=367x+10y+6z=100
解一道三元一次方程x+y+z=13,y-2=z,100z+10y+x+99=100x+10z+y.
10X+Y+1/3Z=10Y+X 10X+Y+2/3Z=100X+Y
100x+10y+z=100z+10y+x+99化简得
解方程组:X+Y+Z=100,10X+5Y+0.5Z=100
解方程x+y+z=19,4x+10y+3z=100
x+y+z=11 100z+10y+x-100x+10y+z=693 100x+10z+y-100x+10y+z=54解方程组
解方程:x+y+z=11 100x+10y+z=100z+10y+x+693 100z+10x+y=100z+10y+x+54
方程组{100x+10y+z=48(x+y+z) {x+z=y+3 {100x+10y+z=100z+10y+x+198 怎么解
100x+10y+z=48(x+Y+Z) x+Z=y+3 100x+10y+z-(100z+10y+x)=198 怎么解好的话多给分
解三元一次方程组,100x+10y+z=27(x+y+z) {x+y-z=1 (100z+10y+x)-(100x+10y+z)=99
解方程组:{x(x+y+z)=6 {y(x+y+z)=9 {z(x+y+z)=10
14x+4y+z=200,x+y+z=100求解x,y,z
x+y=8 y+z=12 x+z=10 x+y+z=
x+y=8 y+z=12 x+z=10 x+y+z=
x+y+z=15 x+5y+10z=70 x,y,z,各是几?