Question

asezand elevii cate 6, 10, 15 raman 3 elevi mereu singuri. care este cel mai mic numar de elevi posibil?
am neviie urgent! dau coroana​

Answer 1

x-numarul de elevi

x:6=C1 rest 3

x:10=C2 rest 3

x:15=C3 rest 3

_____________

x=6·C1+3

x=10·C2+3

x=15·C3+3

____________

x-3=6·C1

x-3=10·C2

x-3=15·C3

__________

trebuie calculat CMMMC

6=2·3

10=2·5

15=3·5

__________

CMMMM=2·3·5=30

revenim: x-3=30

x=33 elevi