2.6/2-2

3.2*6+ 10/2

4.5+6-7

5.3*6+2*5-4

6.4/2-2

7.8+9-4*3

8.3+3-(4*5)/4

9. 10-6* 1

10.(3+2)*5

1 1. 13+5*(2- 1)

12.4*5-7

13.(4-2)*9

14.(5*6)/3

15.3*8-6

16.3+7-5*(4/2)

17.40/2+5

18.25- 12/6

19.3+5*8

20.( 10*2)+ 10- 15

Answer: 1. 13

2. 1

3. 17

4.4

5.24

6.0

7.5

8. 1

9.4

10.25

1 1. 18

12. 13

13. 18

14. 10

15. 18

16.0

17.25

18.23

19.43

20. 15