Odpowiedzi

2010-04-14T18:06:09+02:00
24-100%
6-x%

24x=600/24
x=25%


5/4-100%
1/2-x%

5/4x=50/5/4
x=40
15 4 15
2010-04-14T18:08:43+02:00
(6:24) * 100% = 0,25 * 100%= 25%

(1/2 : 5/4) * 100%= (1/2 * 5/4)*100%= 0,625 * 100% = 62,5%
2 1 2
2010-04-14T18:11:12+02:00
24 - 100%
6 - x

x= (6 × 100%) ÷ 24 = 25%
____________________________

5/4 - 100%
2/4 - x

x= (1/2 × 100%) ÷ 5/4 = 50% ÷ 1.25 = 40%
4 4 4