Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- - 3 - 7 = _______
- - 7 + 3 = _______
- - 3 + 7 = _______
- - 7 - 3 = _______
(a)
- 3 - 7 = - 10
(b)
- 7 + 3 = 3 - 7 = - 4
(c)
- 3 + 7 = 7 - 3 = 4
(d)
- 7 - 3 = - 10
Answer(s): - 10, - 4, 4, - 10