Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 7 + 40 = _____
- 34 + 23 = _____
- 21 + 43 = _____
- 50 + 47 = _____
(a)
7 + 40 = 47
(b)
34 + 23 = 57
(c)
21 + 43 = 64
(d)
50 + 47 = 97
Answer(s): 47, 57, 64, 97