Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- - 2 - 7 = _______
- - 2 + 9 = _______
- - 8 + 2 = _______
- - 7 - 7 = _______
(a)
- 2 - 7 = - 9
(b)
Rearrange the sequence so that the minus sign is in the center of the equation.
- 2 + 9
= 9 - 2
= 7
(c)
Rearrange the sequence so that the minus sign is in the center of the equation.
- 8 + 2
= 2 - 8
= - 6
(d)
- 7 - 7 = - 14
Answer(s): - 9, 7, - 6, - 14