Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- _____ - 33 = 77
- _____ - 31 = 22
- _____ - 25 = 18
- _____ - 32 = 24
(a)
33 + 77 = 110
(b)
31 + 22 = 53
(c)
25 + 18 = 43
(d)
32 + 24 = 56
Answer(s): 110, 53, 43, 56