Odpowiedź :
Odpowiedź:
5/7 x 7 = 5
5/9 x 4 = 20/9 = 2 2/9
12/35 x 7/8 = 3/5 * 1/2 = 3/10
10/13 x 24/100 = 1/13 * 24/10 = 1/13 * 12/5 = 12/65
7/8 x 5/12 = 35/96
7 x 1 5/7 = 7 * 12/7 = 12
2 2/3 x 6 = 8/3 * 6 = 16
2 5/8 x 1 1/3 = 21/8 * 4/3 = 7/2 = 3 1/2
5 1/7 x 2 3/8 = 36/7 * 19/8 = 171/14 = 12 3/14
4 2/7 x 1 5/4 = 30/7 * 9/4 = 135/14 = 9 9/14
5/6 X 4/5 = 2/3
Szczegółowe wyjaśnienie: