Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 1 + 18 = _____
- 7 + 36 = _____
- 34 + 47 = _____
- 39 + 18 = _____
(a)
1 + 18 = 19
(b)
7 + 36 = 43
(c)
34 + 47 = 81
(d)
39 + 18 = 57
Answer(s): 19, 43, 81, 57