Răspunsuri

2014-07-02T21:43:42+03:00
X:7=c1 rest 6
x=M₇+6

x=abc   cu bara deasupra 

x=10*7+6=70+6=76  nu apartine conditiei
x=11*7+6=77+6=83 nu apartine conditiei
x=12*7+6=84+6=90 nu apartine conditiei
x=13*7+6=91+6=97 nu apartine conditiei
x=14*7+6=98+6=104
x=15*7+6=105+6=111
.......................................
x=141*7+6=9987+6=993

141-13=128 numere naturale de 3 cifre ce indeplinesc conditia data
Multumesc frumos Miky93!
;)
Miky, trebuia 141-13=128 numere! Corecteaza.
nu mai pot
am inteles!