Răspuns :
Răspuns:
5/7 x 2 = 10/14
5/7 x 3= 15/21
5/7 x 4=20/28
5/7 x 5=25/35
5/7 x 7=35/49
5/7 x 10=50/105
5/7 x 15=75/7
scuze prima oara am gresit
Amplificam:- 5/7 cu 2 = 2*5/2*7=10/14
- 5/7 cu 3= 3*5/3*7=15/21
- 5/7 cu 4=4*5/4*7=20/28
- 5/7 cu 5= 5*5/5*7=25/35
- 5/7 cu 7=7*5/7*7=35/49
- 5/7 cu 10 =10*5/10*7 =50/70
- 5/7 cu 15 = 15*5/15*7 =75/105