Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- - 6 - 9 = _______
- - 7 + 9 = _______
- - 19 + 17 = _______
- - 9 - 2 = _______
(a)
- 6 - 9 = - 15
(b)
Rearrange the sequence so that the minus sign is in the center of the equation.
- 7 + 9
= 9 - 7
= 2
(c)
Rearrange the sequence so that the minus sign is in the center of the equation.
- 19 + 17
= 17 - 19
= - 2
(d)
- 9 - 2 = - 11
Answer(s): - 15, 2, - 2, - 11