а) 3/5 1/2 = 3/10б) 2¼ 5/18 = 9/4 5/18 = 45/72 = 5/8в) ¾ 6 = 18/4 = 4.5
а) 3/10 : 2/7 = 3/10 7/2 = 21/20б) 10 : 1¼ = 10 / 5/4 = 10 4/5 = 8
(2 2/5)² = (12/5)² = 144/25 = 5 19/25
а) 3/5 1/2 = 3/10
б) 2¼ 5/18 = 9/4 5/18 = 45/72 = 5/8
в) ¾ 6 = 18/4 = 4.5
а) 3/10 : 2/7 = 3/10 7/2 = 21/20
б) 10 : 1¼ = 10 / 5/4 = 10 4/5 = 8
(2 2/5)² = (12/5)² = 144/25 = 5 19/25