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Calculati
1 supra 4 × ( 1 supra 1 + 1 supra 3 ÷ 2 )


Răspuns :

[tex] \frac{1}{4} \times ( \frac{1}{1} + \frac{1}{3} : 2) = \frac{1}{4} \times (1 + \frac{1}{3} : 2) = \frac{1}{4} \times (1 + \frac{1}{6}) = \frac{1}{4} \times \frac{7}{6} = \frac{7}{24} [/tex]