Question

calculati prin scaderea repetata caturile 18:9 , 21:7, 24:6, 20:4, 40:10, 20:2​

Answer 1

Explicație pas cu pas:

a) 18:9=18-9-9=9-9=0

b) 21:7=21-7-7-7=14-7-7=7-7=0

c)24:6=24-6-6-6-6=18-6-6-6=12-6-6=6-6=0

d)20:4=20-4-4-4-4-4=16-4-4-4-4=12-4-4-4=8-4-4=4-4=0

e)40:10=40-10-10-10-10=30-10-10-10=20-10-10=10-10=0

f)20:2=20-2-2-2-2-2-2-2-2-2-2=18-2-2-2-2-2-2-2-2-2=16-2-2-2-2-2-2-2-2=14-2-2-2-2-2-2-2=12-2-2-2-2-2-2=10-2-2-2-2-2=8-2-2-2-2=6-2-2-2=4-2-2=2-2=0