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Calculati:
1pe 3+3pe2-1pe6=?


Răspuns :

[tex] \frac{1}{3}+ \frac{3}{2}- \frac{1}{6}= \frac{2}{6}+ \frac{9}{6}- \frac{1}{6}= 1\frac{4}{6} [/tex]
1/3+3/2-1/6=2/6+9/6-1/6=4/6=2/3