Question

aflati numerele naturale mai mari ca 200 si mai mici ca,500 care împarțite la 4 , 12 si 15 dau restul 2

Answer 1

n=4xc1+2=12xc2+2=15xc3+2
n-2=4xc1=12xc2=15xc3
n-2=M [4,12,15]=M 60
200<n<500
188<n-2<498
=> n-2={4x60,5x60,6x60,7x60,8x60)
n-2={240,300,360,420,480}
n={242,302,362,422,482}