Respuesta :

1 = 2 = 3 = 90
4 = 113
5 = 6 = 67
8 = 23
7 = 9 = 157
1 = 2 = 3 = 90
4 = 113
5 = 6 = 180 - 113 = 67
8 = 180 - (90+67) = 180 - 157 = 23
7 = 9 = 180 -23 = 157