Odpowiedź :
Odpowiedź:
4/7 * 3 = 12/7 = 1 i 5/7
2 * 2/5 = 4/5
2 * 4/9 = 8/9
1/4 * 7 = 7/4 = 1 i 3/4
2/10 * 4 = 8/10 = 4/5
5 * 3/8 = 15/8 = 1 i 7/8
Odpowiedź:
a) 4/7 • 3 = 12/7 = 1 5/7
b) 2 • 2/5 = 4/5
c) 2 • 4/9 = 8/9
d) 1/4 • 7 = 7/4 = 1 3/4
e) 2/10 • 4 = 8/10 = 4/5
f) 5 • 3/8 = 15/8 = 1 7/8