Odpowiedzi

2010-03-19T14:20:17+01:00
2010-03-19T14:23:10+01:00
-6 2/3 - 5,75=-6 2/3 - 5 75/100=-6 8/12 - 5 9/12=-11 17/12=-12 5/12
1 5 1
2010-03-19T14:59:11+01:00
-6 2/3 - 5,75 = -20/3-23/4 = -80/12-69/12 = -149/12 = -12⁵/₁₂