Odpowiedź:
C.
a)
1 2/3 : 2 1/6 = 5/3 : 13/6 = 5/3 * 6/13 = 10/13
b)
1 3/5 : 7 1/5 = 8/5 : 36/5 = 8/5 * 5/36 = 2/9
c)
2 4/7 : 2 3/4 = 18/7 : 11/4 = 18/7 * 4/11 = 72/77
d)
1 3/10 : 1 1/12 = 13/10 : 13/12 = 13/10 * 12/13 = 12/10 = 1 1/5
e)
6 2/3 : 2 1/2 = 20/3 : 5/2 = 20/3 * 2/5 = 8/3 = 2 2/3
f)
2 2/5 : 1 3/5 = 12/5 : 8/5 = 12/5 * 5/8 = 3/2 = 1 1/2
g)
1 7/8 : 3 3/4 = 15/8 : 15/4 = 15/8 * 4/15 = 1/2
h)
4 2/5 : 2 3/4 = 22/5 : 11/4 = 22/5 * 4/11 = 8/5 = 1 3/5
Szczegółowe wyjaśnienie:
