Question

Запишите пять дробей,равных: 3/6,4/10 /20/30 /20/28

Answer 1

3/ 6 6/12 9/18 12/24
4/10 8/20 12/30 16/40
20/30 40/60 60/90 80/120
20/28 40/56 60/84 100/140 120/168