Question

calcule o valor das expressões numéricas. a) 1/2 + 5/6 b) 3/4 - 1/2 c) 5/6 - 1/3 d) 1/3 + 5/6 e) 2/5 - 3/10 f) 1/3 - 1/6​

Answer 1

Resposta:

a) 8/6; b) 1/4; c) 3/6 (ou 1/2); d) 7/6; e) 1/10; f) 1/6

Explicação passo-a-passo:

Tem que fazer o MMC ( Mínimo Múltiplo Comum) :

a) 1/2 + 5/6 =

3/6 + 5/6 = 8/6

b) 3/4 - 1/2 =

3/4 - 2/4 = 1/4

c) 5/6 - 1/3 =

5/6 - 2/6 = 3/6 (ou 1/2)

d) 1/3 + 5/6 =

2/6 + 5/6 = 7/6

e) 2/5 - 3/10 =

4/10 - 3/10 = 1/10

f) 1/3 - 1/6 =

2/6 - 1/6 = 1/6