Odpowiedzi

2009-10-06T21:01:32+02:00
2009-10-06T21:02:19+02:00
1-(1/4+0,4)= 1-(0,25+0,4)= 1-0,65=0,35
1 5 1
2009-10-06T21:03:32+02:00
1-(1/4+0,4)=x
1-(0,25+0,4)=x
1-0,65=x
x=0,35
1 5 1