Question

determine a razão entre os numeros 1,212121... e 2,3424242...

Answer 1

1,212121....=
x=1,212121...
100x=121,2121....
100x-x=121,2121...-1,2121...
99x=120
x=120/99



2,343434...
x=2,343434....
100x=234,343434...
100x-x=234,3434...-2,343434...
99x=232
x=232/99

120/99:232/99=
120/99.99/232=
120/232= (simplifica por 8)
15/29