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8. a) Calculaţi 5/6 din 16 4/5​

Răspuns :

16 4/5 = (16•5+4)/5 = 84/5

[tex]\huge \bold{ \frac{5}{6} \times \frac{84}{5} = \frac{84 \times 5}{6 \times 5} {}^{(5} = \frac{84}{6} \huge = \blue{ 14}}[/tex]