a) 10/30 = 1/3б) 121416 / 141618 = 12/18 = 2/3в) 1415 / 2120 = 14/20 = 7/10г) 59 / 6730 = 5/6210 = 5/126
a) 10/30 = 1/3
б) 121416 / 141618 = 12/18 = 2/3
в) 1415 / 2120 = 14/20 = 7/10
г) 59 / 6730 = 5/6210 = 5/126