Respuesta :

Step-by-step explanation:

Taking value of x= 4

16. 4 + 8 = 12

17. 24 ÷ 4 = 6

18. 3(4+4) = 3 × 8 = 24

19. 5 × 4 = 20

20. 30 - (5 × 4) = 30 - 20 = 10

21.( 2 × 4 )+ 5 = 8 + 5 = 13

22. 4 + 1 = 5

23. 25 × 4 = 100

24. 60 × 4 = 240

25. (25×4) + 10 = 100 + 10 = 110