Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 195 - 1 = _____
- 39 - 12 = _____
- 539 - 327 = _____
- 1990 - 130 = _____
(a)
195 - 1 = 194
(b)
39 - 12 = 27
(c)
539 - 327 = 212
(d)
1990 - 130 = 1860
Answer(s): 194, 27, 212, 1860