设三位数为x,则两位数为x-161
1000(x-161)+x=100x+(x-161)+6561
1000x-161000+x=100x+x-161+6561
900x=167400
x=186
186-161=25
答:三位数为186,两位数为25
设三位数为x,则两位数为x-161
1000(x-161)+x=100x+(x-161)+6561
1000x-161000+x=100x+x-161+6561
900x=167400
x=186
186-161=25
答:三位数为186,两位数为25