0
Anonymous
7 - 18 - 13 = -24
Wiki User
13 - 14 - 18 - 23 - 32 = -74
18 - 5 = 13
31 - 13 = 18
13 - 6 = 7
20-7=13
18 minus 11 is 7.
18 - 7 = 11
-5 - 13 = -18
9/13 minus 2/13 is 7/13.
-18
20-7 = 13