Răspuns:
a) 3,6,9,10
b) 1,2,3,4
c) 3,12,21,24
a) 9:3=3
18:3=6
27:3=9
30:3=10
b)9:9=1
18:9=2
27:9=3
36:9=4
c)9-6=3
18-6=12
27-6=21
30-6=24
