4 + (-12) = 4 - 12 =
-8
-5+7--4+12 = 18
5 + 1 + 4 + 12 = 22
4 + 6 + 12 + 175 = 197
4 plus 8 plus 12 plus 16 is equal to 40.
The problem of -5 plus 7 - (-4 plus -12) is equal to 18.
16?
4Σ (12 - 4i)i=0
-16
12 + 4 = 16
-12
-4 + 12 = 8
2/12 + 2/12 + 4/12 + 9/12 + 6/12 = 23/12 or 1 and 11/12