Răspunsuri

2014-02-07T14:12:25+02:00
2014-02-07T14:48:59+02:00
Marime clasor=n
63+5>n,deci 68>n
63+3<n,deci 66<n
Din cele doua relatii rezulta ca 66<n<68. Deci n=67
63+x=67=>x=67-63=>x=4