Question

resuelve las siguientes operaciones ​

Answer 1

1.

2/5 + 4/3 + 1/2 - 3/5

12/30 + 40/30 + 15/30 - 18/30

(12 + 40 + 15 - 18)/30

49/30

2.

(5)(-3)(1/4)

-15(1/4)

-15/4

3.

(3 + 5)² - 20/3(9) - 25

(8)² - 180/3 - 25

64 - 60 - 25

4 - 25

-21