2 = 4*4/(4+4)
5 = (4*4+4)/4
6 = 4+(4+4)/4
7 = 4+4-4/4
10 = 4+4+(4+4)/4 (five 4s)
11 = 4+4+4-4/4 (five 4s)
12 = 4*(4-4/4)
13 = 4+4+4+4/4 (five 4s)
14 = 4*4-(4+4)/4 (five 4s)
15 = 4*4-4/4
5 = (4*4+4)/4
6 = 4+(4+4)/4
7 = 4+4-4/4
10 = 4+4+(4+4)/4 (five 4s)
11 = 4+4+4-4/4 (five 4s)
12 = 4*(4-4/4)
13 = 4+4+4+4/4 (five 4s)
14 = 4*4-(4+4)/4 (five 4s)
15 = 4*4-4/4