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2 7supra12+51supra4 transformata

Răspuns :

[tex]2 \frac{7}{12}+ \frac{51}{4}= \frac{31}{12}+ \frac{51}{4} = \frac{31}{12}+ \frac{153}{12}= \frac{184}{12}= \frac{46}{3}=15 \frac{1}{3} [/tex]