1) 6/14 = (2 * 3)/(2 * 7) = 3/7.
2) 10/22 = (2 * 5)/(2 * 11) = 5/11.
3) 12/14 = (2 * 6)/(2 * 7) = 6/7.
4) 14/16 = (2 * 7)/(2 * 8) = 7/8.
5) 18/28 = (2 * 9)/(2 * 14) = 9/14.д
20/26=(10*2)/(13*2)=10/13
Не за что)
