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3 supra 2 plus 3 supra 4 ori 1 supra 2

Răspuns :

[tex] \frac{3}{2}+ \frac{3}{4}* \frac{1}{2}= \frac{3}{2}+ \frac{3}{8}= \frac{12+3}{8}= \frac{15}{8} [/tex]