Question

Aflati toate numerele mai mici decat 200 care impartite pe rand la 28 ,12 si 21 dau de fiecare data restul 9.urgent

Answer 1

28=2² x7
12=2² x3
21=3*7
cmmmc=2²*3*7=4*21=84
numerele sunmt:
84+9=93
84*2+9=177

Answer 2

$28=2^2 *7$
$12=2^2 *3$
$21=3*7$
$cmmmc~ ~ 2^2*3*7=4*21=84$
$numerele~sunt: 84+9=93, ~84*2+9=177$