A 32'3:16'3= 2'15÷2'12= 2'3=8
B (1 1/5)'10 × (5/6)'10 = (6/5×5/6)'10 = 1'10 = 1
C (-0.8)'6 : 8'6=(0,8:8)'6= 0.1'6= 1/10'6
D (-2/13)'5:(1/13)'5=(-2/13:1/13)'5= -2'5=-32
