Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 40 - 1 = _____
- 900 - 74 = _____
- 90 - 50 = _____
- 800 - 74 = _____
(a)
40 - 1 = 39
(b)
900 - 74 = 826
(c)
90 - 50 = 40
(d)
800 - 74 = 726
Answer(s): 39, 826, 40, 726