4.8÷1.2= 15÷0.5= 5.6÷0.8= 0.9÷10=
0.42÷0.6= 15.9÷3= 0.77÷0.7= 3.03×100=
0.3×0.8= 0.72÷0.09= 0.22÷0.1= 7.3÷0.73=