Question

x=8/21+1/1+1/1+1/1+3/5 então x vale

A)2
B)3/2
C)19/21
D)9/5
E)1

Answer 1

Resposta:

418/105

Explicação passo-a-passo:

X=8/21+1/1+1/1+1/1+3/5

x = 8/21 + 3/5 + 3

x = (5.8 + 21.3 + 105.3)/105

x = (40+63+315)/105

x = (103+315)/105

x = 418/105

21,5: 3

7,5: 5

7,1: 7

1,1: 3.5.7 = 3.35= 105