Question

8) Efetue as adições:
a) (+3/5) + (+1/2) = b) (-2/3) + (+5/4) =
c) (-4/9) + (+2/3) = d) (-3/7) + (+2/9) =
e) (-1/8) + (-7/8) = f) (-1/3) + (-1/5) =

ME AJUDEM PFV

Answer 1

Resposta:

a)(+3/5) + (+1/2) =

3/5 + 1/2

6 + 5/10

11/10

b) (-2/3) + (+5/4) =

-2/3 + 5/4

-8 +15/12

7/12

c) (-4/9) + (+2/3) =

-4/9 + 2/3

-4 + 6/9

2/9

d) (-3/7) + (+2/9) =

-3/7 + 2/9

-27 + 14/63

-13/63

e) (-1/8) + (-7/8) =

-1/8 + 7/8

1 - 7/8

- 6/8 ÷ 2

- 3/4

f) (-1/3) + (-1/5) =

-1/3 - 1/5

- (5 + 3) / 15

- 8/15

Explicação passo-a-passo:

By: Amaah♡