210 - 86 = 124
200 minus 210 = -10
81 minus 86 = -5
86
210 minus 645 is -435
86 - 23 = 63
2011 - 86 = 1925
100 - 86 = 14.
There are infinitely many possible answers. One such is 211 minus 1 = 210.
It is: 210--630 = 840
255
60
444 minus 234 equals 210