Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- - 2 - 11 = _______
- - 11 + 2 = _______
- - 2 + 11 = _______
- - 11 - 2 = _______
(a)
- 2 - 11 = - 13
(b)
- 11 + 2 = 2 - 11 = - 9
(c)
- 2 + 11 = 11 - 2 = 9
(d)
- 11 - 2 = - 13
Answer(s): - 13, - 9, 9, - 13