Resolva A Dízima Periódica 8,77888.
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x=8,77888...
100x=877,888...
1000x=8778,888...
1000x-100x=8778,888...-877,888...
900x=7901
x=7901/900
100x=877,888...
1000x=8778,888...
1000x-100x=8778,888...-877,888...
900x=7901
x=7901/900
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