5i1/12-2i7/12+5/12= 8i1/4-3i3/4-2i3/4= 2i2/5-4/5+3i1/5=

5 i 1/12-2 i 7/12 + 5/12= = 4 i 13/12 - 2 i 7/12 + 5/12= =2 i 6/12 + 5/12= = 2 i 11/12 8i 1/4 - 3 i 3/4 - 2 i 3/4= = 7 i 5/4 - 3 i 3/4 - 2 i 3/4= = 4 i 2/4 - 2 i 3/4= = 3 i 6/4 - 2 i 3/4= = 1 i 3/4 2 i 2/5 - 4/5 + 3 i 1/5= = 1 i 7/5 - 4/5 + 3 i 1/5= = 1 i 3/5 + 3 i 1/5= = 4 i 4/5

5i1/12-2i7/12+5/12=61/12-31/12+5/12=5/2+5/12=35/12=2 11/128i1/4-3i3/4-2i3/4=33/4-15/4-11/4=9/2-11/4=7/4=1 3/4 2i2/5-4/5+3i1/5=12/5-4/5+16/5=8/5+16/5=24/5=4 4/5

2i2/5-4/5+3i1/5= 5i1/12+2i7/12+5/12= 8i1/4+3i3/4-2i3/4=

2i2/5-4/5+3i1/5= 5i1/12+2i7/12+5/12= 8i1/4+3i3/4-2i3/4=...