Question

6+6-1; 6-(11-6);5+(18-9);

Answer 1

1)6+6-1=11
2)6-(11-6)=1
5+(18-9)=14

Answer 2

6+6-1=11; 6-(11-6)=6-5=1; 5+(18-9)=5+9=14.

Answer 3

Let's solve the given expressions step by step:

1. 6 + 6 - 1 = 12 - 1 = 11

2. 6 - (11 - 6) = 6 - 5 = 1

3. 5 + (18 - 9) = 5 + 9 = 14

So the results are:

1. 11
2. 1
3. 14