Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 23 - 10 = _____
- 37 - 10 = _____
- 53 - 10 = _____
- 77 - 10 = _____
(a)
23 - 10 = 13
(b)
37 - 10 = 27
(c)
53 - 10 = 43
(d)
77 - 10 = 67
Answer(s): 13, 27, 43, 67