Question

Calculeaza prin scadere repetata a aceluiasi nr folosind axa nr ca în model 12:2 18:3 36:4 16:8 24:6 27:3 30:2.

Answer 1

12:2=6
12-2-2-2-2-2-2=0
18:3=6
18-3-3-3-3-3-3=0
36:4=9
36-4-4-4-4-4-4-4-4-4=0
16:8=2
16-8-8=0
24:6=4
24-6-6-6-6=0
27:3=9
27-3-3-3-3-3-3-3-3-3=0
30:2=15
30-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2=0