100x+10y+z=100z+10y+x+99化简得
问题描述:
100x+10y+z=100z+10y+x+99化简得
答
99x-99z=99
x-z=1
答
z=x+1
答
x-z-1=0
答
x-z=1
答
移项得99X=99Z+99 所以X=Z+1
答
x=1+z