Problem
First name
Fin
School
Weald Junior School
Country
Age
10
I added from 14+1 to 1+14 then I came up with the answers
-2+2-2+2...
15 20 These are the solutions:
1+14 15+5 8,7,13,10,6,12,9
2+13 14+6 6,9,11,12,4,14,7
3+12 13+7
4+11 12+8
5+10 11+9
6+9<-- a common factor 9+11
7+8 8+12
8+7 7+13
9+6 6+14
10+5 5+15
11+4
12+3
13+2
14+1