7*6 48:6 16:(80 - 76) 15:5 18:6

Sure, let's calculate these one at a time:

1. 7 * 6 = 42
2. 48 / 6 = 8
3. 16 / (80 - 76) First, calculate the parenthesis: 80 - 76 = 4 So, 16 / 4 = 4
4. 15 / 5 = 3
5. 18 / 6 = 3

Now we have the results of each calculation:

1. 42
2. 8
3. 4
4. 3
5. 3