Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- - 2 - 3 = _______
- - 1 + 10 = _______
- - 12 + 10 = _______
- - 3 - 9 = _______
(a)
- 2 - 3 = - 5
(b)
Rearrange the sequence so that the minus sign is in the center of the equation.
- 1 + 10
= 10 - 1
= 9
(c)
Rearrange the sequence so that the minus sign is in the center of the equation.
- 12 + 10
= 10 - 12
= - 2
(d)
- 3 - 9 = - 12
Answer(s): - 5, 9, - 2, - 12