[tex]1,012345...~(zecimalele~reprezinta~sirul~numerelor~naturale) \\ \\ 1,13579111315...~(zecimalele~reprezinta~sirul~numerelor~naturale \\ \\ ~~~~~~~~~~~~~~~~~~~~~~~~impare) \\ \\ 1,024681012...~(zecimalele~reprezinta~sirul~numerelor~naturale~pare) \\ \\ \frac{\pi}{4}~;~ \frac{\pi}{5}~;~ \frac{\pi}{6}~...~;~ \frac{\pi}{n}~(n \in N,~n\ \textgreater \ 3). \\ \\ \{ \sqrt{k} \},~unde~k~este~un~numar~natural~care~nu~este~patrat~perfect \\ \\ iar~\{a\}~reprezinta~partea~fractionara~a~numarului~real~a. [/tex]
[tex]0,01001000100001....~(un~0~urmat~de~un~1;~doua~0-uri~urmate \\ \\ de~un~1;~trei~0-uri~urmate~de~un~1,etc.)[/tex]
