Calculati:

[2002-(1/2+2/3+3/4+...+2002/2003)]:(1/2+1/3+1/4+...1/2003)


n=(3/2+4/3+5/4+...+1008/1007):[2012-(1/2+2/3+3/4+...+1006/1007)]


Dau coroana , mersi