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a fost răspuns

xn=(1/n+1)+(1/n+2)+(1/n+3)+...(1/2n) , n>=1
primele 5 valori

Răspuns :

Zindrag
x₁=1/2
x₂=1/3+1/4
x₃=1/4+1/5+1/6
x₄=1/5+1/6+1/7+1/8
x₅=1/6+1/7+1/8+1/9+1/10

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