5.16×0.185.16 5.16÷0.185.16
8.9×1.028.9-1.02 1.5×0.90.9×1.5
>>>
0.32÷2= 3.9÷0.3= 0.6÷1.2= 72÷90 =
10÷0.5= 8.08÷8 = 0.69÷0.03= 6.78÷100=