Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 90 - 2 = _____
- 100 - 18 = _____
- 90 - 60 = _____
- 500 - 45 = _____
(a)
90 - 2 = 88
(b)
100 - 18 = 82
(c)
90 - 60 = 30
(d)
500 - 45 = 455
Answer(s): 88, 82, 30, 455