Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 3 + 44 = _____
- 31 + 21 = _____
- 28 + 41 = _____
- 54 + 43 = _____
(a)
3 + 44 = 47
(b)
31 + 21 = 52
(c)
28 + 41 = 69
(d)
54 + 43 = 97
Answer(s): 47, 52, 69, 97