1. 4, 5, 6 16 ( 8)
2. 25,8,5,4 (10)
3. 2,7,10,25 (63)
4. 4,5, 10, 75 (20)
5. 25,50,75,100 (4)
6. 4,5,14, 15 (13)
7. 3,4,5, 20 (30)
8. 5,6,7,55 (35)
數字次序可改變