Question

calculê: não estou conseguindo.​

Answer 1

A)

3 - 1 2 1

--- --- = ---- = ---

4 4 4 2

B)

3 + 3 6 3

--- --- = ---- = ---

8 8 8 4

C)

3 + 3 + 3 9

--- --- --- = ---

20 20 20 20

D)

8 + 1 + 3 12 6 3

--- --- --- = --- = --- = ---

20 20 20 20 10 5