Question

3
Name the property used -
(0)
[-20 + 7] + (- 12) = -20 + [7 + (-12)]
(ii)
40 + (-37) = (-37) + 40
- 31 + 105 is an integer
3 9
(iv)
15 - 103 is an integer = closure leo
4+ [- 8+25] = [4 + (-8) + 25​

Answer 1

Answer:

i)associative property

ii)commutative property

iii)closure property

iv) associative property

Answer 2

Answer:

3

is the answer

Explanation: