Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 2 + 42 = _____
- 38 + 21 = _____
- 21 + 42 = _____
- 54 + 42 = _____
(a)
2 + 42 = 44
(b)
38 + 21 = 59
(c)
21 + 42 = 63
(d)
54 + 42 = 96
Answer(s): 44, 59, 63, 96