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1 supra 4 plus unu supra 6 plus unu supra 12


Răspuns :

[tex] \frac{1}{4} + \frac{1}{6}+ \frac{1}{12} = \frac{3}{12} + \frac{2}{12} + \frac{1}{12} = \frac{6}{12}= \frac{1}{2}=0.5 [/tex]