Question

comparati 1+2+3+...+63/ 630 cu 9/5....va implor e urgent la fel si problema a doua pe care am postat-o mai devreme....va rogg!!

Answer 1

[tex]Folosim\ formula\ de\ la\ suma\ lui\ Gauss:\\ \frac{1+2+3+_{\dots}+63}{630}=\frac{\frac{63\cdot 64}{2}}{630}=\frac{63\cdot 32}{630}=\frac{16}{5}\\ \\ \boxed{\frac{16}{5} \ \textgreater \ \frac{9}{5}}}[/tex]