zad. 3
50% = [tex]\frac{50}{100}[/tex] = [tex]\frac{1}{2}[/tex]
50% = 0,5
20% = [tex]\frac{20}{100}[/tex] = [tex]\frac{1}{5}[/tex]
20% = 0,2
25% = [tex]\frac{25}{100}[/tex] = [tex]\frac{1}{4}[/tex]
25% = 0,25
40% = [tex]\frac{40}{100}[/tex] = [tex]\frac{2}{5}[/tex]
40% = 0,4
100% = [tex]\frac{100}{100}[/tex]
100% = 1
zad. 4
a) 20% = [tex]\frac{20}{100}[/tex] = [tex]\frac{1}{5}[/tex]
90% = [tex]\frac{90}{100}[/tex] = [tex]\frac{9}{10}[/tex]
60% = [tex]\frac{60}{100}[/tex] = [tex]\frac{3}{5}[/tex]
b) 25% = [tex]\frac{25}{100}[/tex] = [tex]\frac{1}{4}[/tex]
30% = [tex]\frac{30}{100}[/tex] = [tex]\frac{3}{10}[/tex]
70% = [tex]\frac{70}{100}[/tex] = [tex]\frac{7}{10}[/tex]
50% = [tex]\frac{50}{100}[/tex] = [tex]\frac{1}{2}[/tex]
c) 40% = [tex]\frac{40}{100}[/tex] = [tex]\frac{2}{5}[/tex]
75% = [tex]\frac{75}{100}[/tex] = [tex]\frac{3}{4}[/tex]
80% = [tex]\frac{80}{100}[/tex] = [tex]\frac{4}{5}[/tex]
100% = [tex]\frac{100}{100}[/tex] = 1
zad. 5
25% - pokoloruj jedną ćwiartkę
50% - pokoloruj 2 ćwiartki
75% - pokoloruj 3 ćwiartki
100% - pokoloruj całe koło
40% - pokoloruj 4 kawałki
60% - pokoloruj 3 kawałki
zad. 6
a) 20%, 80%
b) 75%, 25%
c) 10%, 90%
