Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- - 5 - 10 = _______
- - 10 + 5 = _______
- - 5 + 10 = _______
- - 10 - 5 = _______
(a)
- 5 - 10 = - 15
(b)
- 10 + 5 = 5 - 10 = - 5
(c)
- 5 + 10 = 10 - 5 = 5
(d)
- 10 - 5 = - 15
Answer(s): - 15, - 5, 5, - 15