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transformati in fractii ordinare:a) 2,(09) b) 2,1(6)​

Răspuns :

Explicație pas cu pas:

[tex]2,(09) = \frac{209 - 2}{99} = \frac{207}{99} = \frac{23 \times 9}{11 \times 9} = \frac{23}{11} [/tex]

[tex]2,1(6) = \frac{216 - 21}{90} = \frac{195}{90} = \frac{13 \times 15}{6 \times 15} = \frac{13}{6} [/tex]