Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 2 + 40 = _____
- 33 + 23 = _____
- 21 + 47 = _____
- 55 + 42 = _____
(a)
2 + 40 = 42
(b)
33 + 23 = 56
(c)
21 + 47 = 68
(d)
55 + 42 = 97
Answer(s): 42, 56, 68, 97