Odpowiedź:
b)
15 * 2/5 = 3 * 2 = 6
d)
1/7 * 7 = 1
F)
1/12 * 24 = 2
h)
3 1/8 * 4 = 25/8* 4 = 25/2 = 12 1/2
b)
2 3/5 * 1 3/7 = 13/5 * 10/7 = 13 * 2/7 = 26/7 = 3 5/7
1 3/4 * 2 2/3 = 7/4 * 8/3 = 14/3 = 4 2/3
1 5/6 * 2 4/7 = 11/6 * 18/7 = 33/7 = 4 5/7
2 1/2 * 3 2/8 = 5/2 * 26/8 = 65/8 = 8 1/8
Szczegółowe wyjaśnienie:
