Odpowiedzi

2010-03-06T15:11:35+01:00
1 1/5 - 2/5 = 4/5
5 2/5 - 4/5 = 4 3/5
9 4 9
2010-03-06T15:13:33+01:00
1 ⅕ - ⅖ = ⅘
5 ⅖ - ⅘ = 4 ⅗
6 4 6
2010-03-06T15:14:31+01:00
5 2/5 -(1 1/5 -2/5)=5 2/5-(6/5-2/5)=27/5-4/5=23/5=4 3/5

pozdrawiam:)
6 4 6