Odpowiedzi

2010-04-11T21:19:01+02:00
9+7+4=20
100:20=5
9*5=45
7*5=35
4*5=20
2010-04-11T21:19:54+02:00
Anna: 9+7+4=20
9/20*100%=45%
Barbara: 7/20*100%=35%
Cecylia: 4/20*100%=20%