Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 216 - 4 = _____
- 34 - 13 = _____
- 638 - 426 = _____
- 4599 - 839 = _____
(a)
216 - 4 = 212
(b)
34 - 13 = 21
(c)
638 - 426 = 212
(d)
4599 - 839 = 3760
Answer(s): 212, 21, 212, 3760