Question

* Aflati cel mai mic numar natural care impartit la 6 da restul 4, si impartit la 5 da restul 3.
VA ROGG

Answer 1

X :6=c rest 4
X :5=d rest 3

X=6c+4/+2⇒ x+2= 6x+6 ⇒ x+2 = 6(x+1)
X=5d+3/+2⇒ x+2=5d+5 ⇒ x+2 = 5(x+1) ⇒ x+1 - multimplu de 6 si 5
cmmmc=6*5=30
x+2=6*5=30
x=30-2
x=28