Question

Encontre a fração geratriz das dizimas abaixo

A)3,212121...
B)4,33333...
C)5,6666
D)0,373737

Answer 1

A)F=3,212121...×100
100F=321,212121

100F=321,212121
- F= 3,212121
______________
99F =318,00000

F=318
______
99



B)F=4,33333...×10
10F=43,33333

10F=43,33333
-F= 4,33333
___________
9F=39,00000

F= 39
______
9


C)F=5,6666...×10
10F=56,6666

10F=56,6666
-F= 5,6666
___________
9F=51,0000

F=51
_____
9

D)F=0,373737...×100
100F=037,373737

100F=037,373737
- F= 0,373737
______________
99F= 037,00000

F=37
_____
99

Espero ter ajudado✌️