Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 426 - 5 = _____
- 31 - 10 = _____
- 636 - 421 = _____
- 5898 - 933 = _____
(a)
426 - 5 = 421
(b)
31 - 10 = 21
(c)
636 - 421 = 215
(d)
5898 - 933 = 4965
Answer(s): 421, 21, 215, 4965