Odpowiedź:
Szczegółowe wyjaśnienie:
zad 1
a) 2/5 = 10/25 1/3 = 6/18
b) 4/7 = 20/35 3/8 = 24/64
c) 2/5 = 6/15 3/4 = 15/20
d) 3/4 = 27/36 2/7 = 12/42
zad 11
b) = 8/16 = 4/8 = 1/2
c) 12/18 = 2/3
d) 24/64 = 3/8
e) 50/200 = 1/4
f) 42/60 = 7/10
g) 45/75 = 3/ 5
h) 12/60 = 1/5
i) 28/70 = 4/10 = 2/5
zad
a) 4/12 = 1/3 4/8 = 1/2 3/15 = 1/3
b) 6/9 = 2/3 8/10 = 4/5 6/21 = 2/7
c) 4/16 = 1/4 10/50 = 1/5 8/30 = 4/15
d) 15/25 = 3/5 28/36 = 7/9 10/70 = 1/7
