For z, 3+4=7, 4+1+2=7,2+5=7. For v, 3+2+5=10, 1+4+5=10.
3----4 --1 2----5
1----- 3 4-----2 ---5
Using all the numbers from 1 to 10, put them into pairs, so that one pair adds to 6, another pair to 7, a third pair to 9, a fourth pair to 16 and the final pair add to 17.
Fill the Boxes with Numbers : 1 , 2 , 3 , 4 , 5 , 6 , 7 , 8 , 9 No Repetition
