Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 447 - 1 = _____
- 36 - 10 = _____
- 739 - 129 = _____
- 1290 - 630 = _____
(a)
447 - 1 = 446
(b)
36 - 10 = 26
(c)
739 - 129 = 610
(d)
1290 - 630 = 660
Answer(s): 446, 26, 610, 660