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3/2*4/3*5/4*....*50/49=

Răspuns :


[tex]\it \dfrac{\not 3}{2}\cdot\dfrac{\not4}{\not3}\cdot\dfrac{\not5}{\not4}\cdot\ ...\ \cdot \dfrac{50}{\not49} = \dfrac{50}{2} =25[/tex]