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3 asupra lui 4 minos 3 asupra lui 5

Răspuns :

3/4-3/5=15/20-12/20=3/20
3/4-3/5=3/20
[tex] \frac{3}{4} - \frac{3}{5}= \frac{3}{4}^5- \frac{3}{5}^4 = \frac{15}{20}- \frac{12}{20} = \frac{3}{20} Solytie: \frac{3}{20} [/tex]