а) 63/98 = 9/14
б) 0,68 = 17/25
в) 71916/241528 = 19/60
г) 543+542/729-723 = 162+108/648-216 = 270/648 = 5/12
а) 63/98 = 9/14
б) 0,68 = 17/25
в) 71916/241528 = 19/60
г) 543+542/729-723 = 162+108/648-216 = 270/648 = 5/12