Respuesta :

Answer:

7. 23

8. 18

9. 55

10. 17

Step-by-step explanation:
3+4 x 5^1
7 x 5^1
=35

26-4^2 / 5^1
22^2 / 5^1
484 / 5
= 96.8

(3^3 - 2^4) x 5
(37 - 16) x 5
21 x 5
= 105

20 - (5 - 2)^2 + 2 x 3
20 - (3)^2 + 2 x 3
20 - 9 + 2 x 3
20 - 9 + 6
20 - 15
=5