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3,0(6)
3,1(6)
3,8(3) va rog ajutatima


Răspuns :

[tex]\displaystyle 3,0(6)= \frac{306-30}{90}= \frac{276}{90}= \frac{46}{15} \\ \\ 3,1(6)= \frac{316-31}{90} = \frac{285}{90} = \frac{19}{6} \\ \\ 3,8(3)= \frac{383-38}{90}= \frac{345}{90}= \frac{23}{6} [/tex]