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[tex] 3\frac{1}{3} [/tex]  si explicatie  ...va roog!

Răspuns :

[tex]\displaystyle \boxed{a \frac{b}{c} = \frac{a \cdot c +b}{c} } \\ \\ 3 \frac{1}{3} = \frac{3 \cdot 3+1}{3} = \frac{9+1}{3} = \frac{10}{3} [/tex]