Question

Qual e o valor da dizima periodica 0,4999

Answer 1

x = 0,4999 (× 10 )
10x = 4,999
10x = 4 + 0,999
10x = 4 + 9/9
10x = 4 + 1
10x = 5
X = 5 / 10

Answer 2

Qual e o valor da dizima periodica 0,4999

x=0,4999>>> ×(10)
10x=4,999
10x= 4+ 0,999
10x= 4+ 9/9
10x=4+1
10x=5
x=5/10>>>>÷ambos por 5
x=1/2