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We found 3 ways of solving this problem,our first solution was:to make 7 you used 7 and 0,to make 8 you use 5 and 3.To make 13 you use 4 and 9, you use 6 and 8 to make 14,and finally to make 3 you use 2 and 1.

Our second way was:to make 8 you use 0 and 8,to make 7 you use 4 and 3, to make 13 you use 6 and 7.Use 9 and 5 to make 14, and use 1 and 2 to make 3.

Our 3rd way to solve this was:9 and 4 to make 13, 3 and 0 to make 3.1 and 7 to make 8,5 and 2 to make 7 finally 8 and 6 to make 14.

We think there are only three ways because you only can use 0 three times otherwise you will end up with the same combination over and over again.