Восстанови записи : 3 /7 = 12 / * = 21 / * = * / 63 = * / 84 = 102 / * = * / 210 = * / 126 = 126 / *
3/7= 12/28= 27/63 = 36/84= 102/238 =90/210= 54/126 =126/294