Question

:aflati,in fiecare caz numerele la care se impart cu rest zero silmultan:
a)8 si 12
b)15 si 21
c)30 si 42

Answer 1

8 = 2³
12 = 2² x 3
cmmmc = 2³ x 3 = 24

15 = 3 x 5
21 = 3 x 7
cmmmc = 3 x 5 x 7 = 105

30 = 2 x 3 x 5
42 = 2 x3 x7
cmmmc = 2 x 3 x5 x7 = 210