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(1/2 * 2/3 * 3/4*...* 2013/2014) + 2013/2014

Răspuns :

(1/2 * 2/3 * 3/4*...* 2013/2014) + 2013/2014=(1•2•....•2013)/(2•3•...•2014)+2013/2014=(2•3•...•2013)/(2•3•...•2014)+2013/2014=1/2014+2013/2014=2014/2014=1