Question

8. Complete the following addition table
+
1
2
3
-1 -2 -3 -4
0
1
2
3
4
-1
-2
-3
Using the table, answer the following:
(1) What is the greatest sum?
(ii) What is the smallest sum?
(iii) List the pairs of integers whose sum is
0.
(iv) List the pairs of integers whose sum is
5 or -5.​

Answer 1

Answer:

4 is the greatest sum

0 is the smallest sum