Answer:
1. 2+(8-6)= 4
2+2=4
2. (9-7)+5= 7
2+5=7
3. 10-(1+8)= 1
10-9=1
4. (3+7)-9= 1
5. (1+2+3)-5= 1
6-5=1
6. 10-(2+3+4)= 1
1.6m questions
2.0m answers