119
-232
1971
83
26
-3990
You would use a - to subtract a number on a spreadsheet
4002
To figure this out, simply subtract 2010 by 1943.2010-1943=67
1600 bc is -1600. 2010-(-1600) = 2010 + 1600, so the difference is 3610 years
4008
49 years old. You simply subtract 1961 from 2010.