Odpowiedzi

2010-04-13T18:02:28+02:00
9+7+4=20
100%:20= 5%
9*5%=45% Anna
7*5%=35% Barbara
4*5%=20% Cecylia
Najlepsza Odpowiedź!
2010-04-13T18:04:19+02:00
20 - 100%
4 x

400% = 20x
x = 20%
cecylia
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20 - 100%
9 x

900% = 20x
x = 45%
anna
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20 - 100%
7 x

700% = 20x
x = 35%
barbara