Question

Câte numere impare sunt de la 402 la 887

Answer 1

 

$\displaystyle\bf\\Numerele~sunt:\\\\403;~405;~407;~409;~...~887\\\\Numarul~de~numere~sunt:\\\\n=\frac{887-403}{2}+1=\frac{484}{2}+1=242+1=243\\\\\boxed{\bf~n=243~de~numere~impare}$