Two, which is denoted as 2, except in binary, where it is denoted 10 2
142 plus 1 makes 143
52 plus 1.
13+(-12) = 1
One half plus one half makes 1. 1/2 + 1/2 = 2/2 or 1
1 plus 1 equals 2 its easy
1/2 plus 1/2 plus 1/4 = 1 1/4 or 1.25
1+1=2.
2
2.15 plus tips
5
1-2 = -11-6 = -53-4 = -1this makes -1 + -5 + -1 (-1 - 5 - 1)which = -7
2