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calculeaza:
[tex]1 \frac{1}{2} \times1 \frac{1}{3} \times1\frac{1}{4}....... \times 1\frac{1}{200} [/tex]
pls repede 100 de punce max rating inmioara si coroana!!!


Răspuns :

[tex]\bf = \dfrac{\not3}{2}\cdot\dfrac{\not4}{\not3}\cdot\dfrac{\not5}{\not4}\cdot\ ...\ \cdot\dfrac{201}{\not200}=\dfrac{201}{2}[/tex]

introducem intregii in fractie, apoi simplificam.

Vezi imaginea IOLIPARA