Proszę pomocy muszę to zrobić na jutro zad 1/97 Oblicz: a) 1/4 : 1/5 b) 3/7 : 2/5 c) 2/3 : 5/6 d) 3/7 : 9/28 e) 1 1/2: 2/3 f) 5 1/3 : 4/9 g) 7/8 : 1 5/16 h) 2/9 : 2 2/3 i) 3 1/3 : 1 1/3 j) 7 1/5 : 1 1/5 k) 2 3/4 : 4 2/5 l) 1 5/12 : 1 7/10 ( /to jest kre

1/4 : 1/5 = 1/4 * 5/1 = 5/4 = 1 i 1/4 3/7 : 2/5 = 3/7 * 5/2 =15/14 = 1 i 1/14 2/3 : 5/6 = 2/3 * 6/5 = 4/5 3/7 : 9/28 = 3/7 * 28/9 = 4/3 = 1 i 1/3 1 i 1/2 : 2/3 = 3/2 * 3/2 = 9/4 = 2 i 1/4 5 i 1/3 : 4/9 = 16/3 * 9/4 = 12 7/8 : 1 i 5/16 = 7/8 : 21/16 = 7/8 * 16/21 = 2/3 2/9 : 2 i 2/3 = 2/9 * 3/8 = 1/12 3 i 1/3 : 1 i 1/3 = 10/3 : 4/3 = 10/3 * 3/4 = 5/2 = 2 i 1/2 7 i 1/5 : 1 i 1/5 = 36/5 : 6/5 = 36/5 * 5/6 = 6 2 i 3/4 : 4 i 2/5 = 11/4 : 22/5 = 11/4 * 5/22 = 5/8 1 i 5/12 : 1 i 7/10 = 17/12 : 17/10 = 17/12 * 10/17 = 5/6