Odpowiedź :
Odpowiedź:
a)
3/7 * 5/9 = 1/7 * 5/3 = 5/21
4/3 * 7/16 = 1/3 * 7/4 = 7/12
6/11 * 5/9 = 2/11 * 5/3 = 10/33
b)
8/21 * 7/12 = 2/3 * 1/3 = 2/9
5/6 * 9/20 = 1/2 * 3/4 = 3/8
4/7 * 21/36 = 3/9
c)
1 1/3 * 2 1/4 = 4/3 * 9/4 = 3
1 1/2 * 1 1/9 = 3/2 * 10/9 = 5/3 = 1 2/3
2 2/8 * 1 1/3 = 18/8 * 4/3 = 6/2 = 3
Szczegółowe wyjaśnienie:
Odpowiedź:
a) 3/7 * 5/9 = 5/3 = 1 1/3
4/3 * 7/16 = 7/12
6/11 * 5/9 = 10/33
b) 8/21 * 7/12 = 4/12 = 1/3
5/6 * 9/20 = 3/8
4/7 * 21/36 = 3/9 = 1/3
c) 1 1/3 * 2 1/4 = 2 1/12
1 1/2 * 1 1/9 = 1 1/18
2 2/8 * 1 1/3 = 2 2/24 = 2 1/12
Mam nadzieję, że pomogłam :3