think of it as 9 + 3, 9 + 3 is 12, so it is 120 + (9 + 3) = 120 + 12 is 132 or a easier way to do it is take 1 away from 33 and add it to the 99 and you get 100 + 32 = 132
12 minus 33 is -21.
33 +800= = 833
60
2,010 minus 1,977 is 33.
18 - 9 = 9
67 - 9 = 58
-33Because: 32 - - 33 = 65
9 is.
-7
9
20 minus 9 is 11.