Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- - 18 + 1 = _______
- - 7 - 2 = _______
- - 2 - 7 = _______
- - 2 + 4 = _______
(a)
Rearrange the sequence so that the minus sign is in the center of the equation.
- 18 + 1
= 1 - 18
= - 17
(b)
- 7 - 2 = - 9
(c)
- 2 - 7 = - 9
(d)
Rearrange the sequence so that the minus sign is in the center of the equation.
- 2 + 4
= 4 - 2
= 2
Answer(s): - 17, - 9, - 9, 2