Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- _____ - 33 = 55
- _____ - 61 = 31
- _____ - 29 = 17
- _____ - 63 = 22
(a)
33 + 55 = 88
(b)
61 + 31 = 92
(c)
29 + 17 = 46
(d)
63 + 22 = 85
Answer(s): 88, 92, 46, 85