Odpowiedź:
a) 5/10 = 0.5
b) 1 x 2 / 5 x 2 = 2/10 = 0.2
c) 2 x 2 / 5 x 2 = 0.4
d) 1 x 25 / 4 x 25 = 0.25
e) 7 x 5 / 20 x 5 = 35/100 = 0.35
f) 8 x 4 / 25 x 4 = 32/100 = 0.32
g) 31 x 2 / 50 x 2 = 62/100 = 0.62
h) 3 x 120 / 8 x 125 = 0.36