Question

Answer for example 8

Answer 1

x=1.2727...
100x=127.2727...

100x-x=127.2727...-1.2727...
99x=126
x=14/11

Answer 2

let x=1.272727....-----1

100×x=100×1.272727...

100x=127.272727...--------2

2-1

100x=127.2727...

x=. 1.2727...

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99x=126

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x=126/99