Question

Qual o valor da expressão

A) 2/5 + 3/8 + 1/6

B) 1/2 + 3/2 + 5/2

C) 1/6 + 3/2

D) 2/3 + 5/9 + 3/12



Urgenteeeee

Answer 1

OI

a) 2/5 + 3/8 + 1/6 ==>o mmc de (5,8,6)= 120

48 + 45 + 20/120 =

113/120

b) 1/2 + 6/2 + 5/2 =denominador igual, repete e soma.

1 + 3 + 5 /2

9/2

c) 1/6 + 3/2 = o mmc de (6,2) = 6

1 + 9/6

10/6 ÷ 2

5/3

d) 2/3 + 5/9 + 3/12 ==>o mmc de (3,9,12) = 36

24 + 20 + 9/36

53/36

Bons estudos