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28supra32-15supra 40​

Răspuns :

Răspuns:

[tex] \frac{28}{32} = \frac{7}{8} \\ \frac{15}{40} = \frac{3}{8} \\ \frac{7}{8} - \frac{3}{8} = \frac{4}{8} = \frac{1}{2} [/tex]