Question

Calculează jumătatea , apoi sfertul numerelor: 8,12,16,20,40,60,,80

Answer 1

8:2=4
8:4=2
12:2=6
12:4=3
16:2=8
16:4=4
20:2=10
20:4=5
40:2=20
40:4=10
60:2=30
60:4=15
80:2=40
80:4=20

Answer 2

Calculam jumatatea nr impartind nr la 2.
8:2=4
12:2=6
16:2=8
20:2=10
40:2=20
60:2=30
80:2=40
Calculam sfertul nr impartind nr la 4
8:4=2
12:4=3
16:4=4
20:4=5
40:4=10
60:4=15
80:4=20