Odpowiedzi

2009-11-02T17:19:35+01:00
45% ---- 18
100% ---- x
x= (18 *100)/45 = 40


59% --- 118
100% ----x
x= 11800/59 = 200

300% to 9. dziele na 3 i wychodzi 100 % to 3
2 5 2
2009-11-02T17:24:01+01:00
A 45 - 100%
18 - x

x=18*100%=1800%= 40
45 45

b
59 - 100%
118 - x

x=118*100%=11800%= 200
59 59
c
300% - 9
100% - x

x=100%*9=900%=3
300% 300%
2 5 2