Răspuns :
16:2=8
Proba: 8×2=16
20:4=5
Proba: 5×4=20
25:5=5
Proba: 5×5=25
30:6=5
Proba: 5×6=30
27:3=9
Proba: 9×3=27
18:9=2
Proba: 2×9=18
40:5=8
Proba: 8×5=40
50:10=5
Proba: 5×10=50
Proba: 8×2=16
20:4=5
Proba: 5×4=20
25:5=5
Proba: 5×5=25
30:6=5
Proba: 5×6=30
27:3=9
Proba: 9×3=27
18:9=2
Proba: 2×9=18
40:5=8
Proba: 8×5=40
50:10=5
Proba: 5×10=50
16 ÷ 2 = 9
20 ÷ 4 = 5
25 ÷ 5 = 5
30 ÷ 6 = 5
27 ÷ 3 = 9
18 ÷ 9 = 2
40 ÷ 5 = 8
50 ÷ 10 = 5
Proba :
2 × 9 = 16
4 × 5 = 20
5 × 5 = 25
6 × 5 = 30
3 × 9 = 27
9 × 2 = 18
5 × 8 = 40
10 × 5 = 50