Odpowiedzi

2009-11-15T14:22:16+01:00
8i1/2-3= 5 i 1/2
9i3/4-5i3/4= 4
9i9/10-3/10= 9 i 6/10 = 9 i 3/5
18i10/12-4/12= 18 i 6/10 = 18 i 1/2
8-7i9/10= 1/10
25-4i1/8= 21 i 7/80
2i3/5-1i4/5= 4/5
7i3/9-7/9= 6 i 4/9
1-1/2= 1/2
2-5/7= 1 i 2/7
4-6/11= 3 i 5/10
5-7/13= 4 i 6/13
4i1/3-2/3= 3 i 2/3
8i2/5-3i5/7= 42/5 - 26/7 = 294/35 - 130/35 = 164/35 = 4 i 24/35
10i1/8-4i7/8= 5 i 2/8 = 5 i 1/4