Question

determine a fração geratriz: a- 2,1333... b- 1,777... c- 3,111...
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Answer 1

Explicação passo-a-passo:

a) 2,1333...

x=2,1333...x10

10x=21,333...x10

100x=213,333...

100x-10x= 90x

213,333...-21,333...=192

90x=192

RESPOSTA:192/90

b)1,777...

x=1,777...x10

10x=17,777...

10x-x=9x

17,777...-1,777...=16

9x=16

RESPOSTA:16/9

c)3,111...

x=3,111...x10

10x=31,111...

10x-x=9x

31,111...-3,111...=28

9x=28

RESPOSTA:28/9