Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 80 - 7 = _____
- 400 - 98 = _____
- 70 - 50 = _____
- 100 - 28 = _____
(a)
80 - 7 = 73
(b)
400 - 98 = 302
(c)
70 - 50 = 20
(d)
100 - 28 = 72
Answer(s): 73, 302, 20, 72