escreva em forma de fração irredutivél as dizimas periodicas:
a)0,272727...
b)1,444...
c)0,31222
d)1,7555
e)0,291
a)0,272727...
b)1,444...
c)0,31222
d)1,7555
e)0,291
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a)0,272727...= 27/99 = 9/33=3/11b)1,444...= 1+4/9 = 13/9
c)0,31222... =
d)1,7555...=
e)0,291... = 291/999=97/333