Запишите дробь 2/7 в виде дроби со знаменателем:14,21,35,42,63,70,84,77,98.
2/7*2/2=4/14 2/7*3/3=6/21 2/7*5/5=10/35 2/7*6/6=1/42 2/7*9/9=18/63 2/7*10/10=20/70 2/7*12/12=24/84 2/7*11/11=22/77 2/7*14/14=28/98
4/14 ,6/21 ,10/35,12/42,18/63,20/70,24/84,22/77,28/98