Question

2- Calcule:
a) 7/8 + 1/2 =
b) 5/9 + 1/9 =
c) 4/7 - 6/21 =
d) 2/6 * 5/4=
e) 8/3 / (2/5) =
f) √25/81 =
g)(3/7)² =
me ajudem?​

Answer 1

Resposta:

a) 11/8

b) 6/9

c) 6/21

d) 19/24

e) 20/3

f) 5/9

g) 9/49

Explicação passo-a-passo:

a) 7/8 + 1/2 = 11/8

b) 5/9 + 1/9 = 6/9

c) 4/7 - 6/21 = 6/21

d) 2/6 × 5/4 = 19/24

e) 8/3 ÷ (2/5) = 8/3 × 5/2 = 40/6 (simplificando por 2= 20/3)

f) √25/81 = 5/9

g) (3/7)² = 3²/7² = 9/49