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Transforma in fracții ordinare ireductibile:3,(12) ; 1,5(3)

Răspuns :

[tex]3.(12) = \frac{312 - 3}{99} = \frac{309}{99} = \frac{103}{33} \\ 1.5(3) = \frac{153 - 15}{90} = \frac{138}{90} = \frac{46}{30} = \frac{23}{15} [/tex]