Add together three of the following numbers each time to score 80.
5 10 15 20 25 50
How many different combinations are there?
(1)05+25+50=80 (2)10+20+50=80
Add together three of the following numbers to score 42.
8 10 12 14 20
Each number can be used as many times as you wish.
Add together three numbers each time to score 45.
5 10 15 20 25
Add together three of the following numbers each time to score 20. Each number can be used as many times as you wish.
2 4 6 8 10 12 14
Add together three numbers to score 20. Each number can be used as many times as you wish. How many different combinations are there?
4 6 8 10 12
