Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 389 - 1 = _____
- 37 - 15 = _____
- 937 - 122 = _____
- 1697 - 131 = _____
(a)
389 - 1 = 388
(b)
37 - 15 = 22
(c)
937 - 122 = 815
(d)
1697 - 131 = 1566
Answer(s): 388, 22, 815, 1566