Interval
Interval
Sa se arate ca: 1+ $\dfrac{1}{\sqrt{2}}$+ $\dfrac{1}{\sqrt{3}}$+...+$\dfrac{1}{\sqrt{99}}$ $\in$ (18;18,88)
Cojocariu Sebastian
C.N "Mihai Eminescu",Botosani,elev clasa a 9a
C.N "Mihai Eminescu",Botosani,elev clasa a 9a