Proszę o pilną pomoc

Odpowiedź:
zadanie 1.
30% = 30/100 = 3/10
45% = 45/100 = 19/20
12% = 12/100 = 3/25
16% = 16/100 = 4/25
5% = 5/100 = 1/20
2% = 2/100 = 1/50
1% = 1/100
17% = 17/100
zadanie 2.
0,3 = 30/100 = 30%
0,25= 25/100 = 25%
0,1 = 10/100 = 10%
5,2 = 520/100 = 520%
5,02 = 502/100 = 502 %
1/4 = 25/100 = 25%
3/20 = 15/100 = 15%
4/20 = 20/100 = 20%
3/25= 12/100 = 12%
4/25= 16/100 = 16%
Szczegółowe wyjaśnienie: