Question

Va rog repede
Divizorii si multiplii lor: 10, 12, 13, 14, 15, 16, 18, 19, 20

Answer 1

10 -d: 1, 2, 5, 10 
      -m :0,10,20,30,...

12:-d :1,2,3,4,6,12
     -m:0,12,24,46,68,,.....

13:-d:1 ,13
     -m:o,13,26,39,...

14:-d:1,2,7,14
    -m:0,14,28 ,..

15 -d:1,15
m:0,15,30

16- d:1,2,4,8,16
 - m :0, 16,3,..

18:-d :1.2,3,6,9,18
     -m :0,18, 36,..
19-d:1,19
    -m:0,19,38,..

20-d:1,2,4,5,10.20
    -m:0,20,40,60,80

Sper ca te-am ajutat ! Bafta!