O to zadanie:Oblicz 7/8*5/6= 7*1i5/7= 42/81*9/14= 6*2i2/3= 3/8:2/3= 5/8:15/32= 3i1/2:5/9= 12/31:1i4/11= 5/8:7/12= 7/8*24/33= 8i3/4*4/7*3= 2i1/7*7*2i2/5= 1i1/8*4/15= 2i3/5:5= 1i5/7:6= 6i1/2:3i1/4= 7i1/3:2i2/5=

7/8*5/6= 35/48 7*1i5/7=7/1 * 12/7 = 84/7 = 12 42/81*9/14= 378/1134 = 1/3 6*2i2/3= 6/1 * 8/3 = 48/3 = 16 3/8:2/3= 3/8 * 3/2 = 9/16 5/8:15/32= 5/8 * 32/15 = 160/120 = 8/6 = 4/3 3i1/2:5/9=7/2 * 9/5 = 63/10 12/31:1i4/11=12/31 * 11/15 = 132/465 5/8:7/12= 5/8 * 12/7 = 60/56 7/8*24/33= 168/264 8i3/4*4/7*3= 35/4 * 4/7 * 3/1 = 420/28 2i1/7*7*2i2/5= 15/7 * 7/1 * 12/5 = 1260/35 1i1/8*4/15=9/8 * 4/15 = 36/120 2i3/5:5= 13/5 : 5/1 = 13/5 * 1/5 = 13/25 1i5/7:6= 12/7 : 6/1 = 12/7 * 1/6 = 12/42 6i1/2:3i1/4= 13/2 : 13/4 = 13/2 * 4/13 = 52/26 = 2 7i1/3:2i2/5= 22/3 : 12/5 = 22/3 * 5/12 = 110/36