Question

Calcule o valor das expressões:

a) 5/6 – ( 1/3 + 1/5 ) =

b) 2/5 x (¾ + 5/8) =

c) ½ : ( 2/3 + ¾ ) =

d) (1/3 + ½ ) : 5/6 =
e) ½ x (2/3 + ¾) =

f) (5/7 x 2/3) : 1/6 =

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

h) 1 + (1/2 - 1/5) - (7/4 - 5/4) =

i) ( 7/8 - 5/6) + ( 8/9 - 7/9) =

j) 1 + (3/2)² + ( 1 + ¼ ) =

Answer 1

Resposta:

A)6/7

Explicação passo-a-passo:

nao tem explicacao