Odpowiedź:
1 9/16 * 2 2/5 = 25/16 * 12/5 = 5/4 * 3 = 15/4 = 3 3/4
4 2/3 * 1 2/4 = 14/3 * 1 1/2 = 14/3 * 3/2 = 7
2 4/7 * 2 5/8 = 18/7 * 21/8 = 18 * 3/8 = 54/8 = 6 6/8 = 6 3/4
3 1/8 * 2 4/10 = 25/8 * 24/10 = 5 * 3/2 = 15/2 = 7 1/2
3 2/9 * 1 7/11 = 29/9 * 18/11 = 29 * 2/11 = 58/11 = 5 3/11
Szczegółowe wyjaśnienie:
