Question

Passe as dízimas para fração

a)1,3444...

b)0.2333...

c)0,28525252...

d)1,34555...

Answer 1

Resposta:

a)

a=1,3444...

10a =13,4444....

100a=134,444...

100a-10a =134-13

90a =121

a=121/90

b)

a=0,2333...

10a=2,3333...

100a-10a=23,3333..

90a=23-2

a=21/90

c)

a=0,28525252...

100a=28,525252...

10000a=2852,5252....

9900a=2824

a=2824

d)

a=1,34555..

100a=134,555555....

1000a=1345,5555..

900a = 1211

a=1211/900