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efectuati calculul (1/2-1/x) ori x/x-2

Răspuns :

Moldcell20
[tex] \frac{x* (\frac{1}{2}- \frac{1}{x}) }{x-2} = \frac{x}{x-2}( \frac{x}{2x}- \frac{2}{2x})= \frac{x}{x-2} ( \frac{x-2}{2x})= \frac{1}{2}[/tex]