Question

O VALOR DA SEQUINTE EXPRESSAO NUMERICA É
5/2 + 1/5 × 3/4=
A) 81/40
B) 90/20
C) 1/20
D) 53/20

Answer 1

5/2 + 1/5 × 3/4 = 5/2 + 3/20 = 50 + 3 /20 = 53/20

A) 81/40

B) 90/20

C) 1/20

X) 53/20

Answer 2

Resposta: letra D

Explicação passo-a-passo:

$\frac{5}{2} + \frac{1}{5} * \frac{3}{4} =\\\\\frac{5}{2} + \frac{3}{20}=\\MMC: de 2 e 20 = 20\\\\OBS: 20:2= 10 * 5 = 50 \\20: 20 = 1 * 3= 3\\\frac{50}{20} + \frac{3}{20} = \frac{53}{20}$