Условие:

8 + 0 + 0 + 6;
80 + 0 * 6;
906 * 1;
9 + 0 + 6 : 1;
0 : 7 + 0 * 5 + 3;
7 : 70 * (4 + 2).

8 + 0 + 0 + 6 = 8 + 6 = 14
 
80 + 0 * 6 = 80 + 0 = 8
 
906 * 1 = 96 = 3
 
9 + 0 + 6 : 1 = 9 + 6 = 15
 
0 : 7 + 0 * 5 + 3 = 0 + 0 + 3 = 3
 
7 : 70 * (4 + 2) = 10 * 6 = 10 = 1