Question

6. For any whole numbers a, b, c, is it true that (a + b) + c = a +(c + b)? Give reasons.
7. Complete each one of the following magic squares by supplying the missing numbers:
16 1 2
9
(ii)
NS
10
5
4
8
2
4
(iv)
18 17
(iii)
15 16
14/11
9
12
9
10
7
10
16
19
14
17
Ilse for each of the following statements:​

Answer 1

Answer:

i am not understand your questio