0.07÷0.7= 0.15×4= 3.4×0.6= 0.7×0.33×0=
0.01×0.2= 5.4÷0.06= 33.5÷5= 13.6÷0.2÷5=
2.5×0.4= 1.5×6= 0.72÷9= 2.2×5×0.7=
0.78×0= 0.28÷0.4= 0.3×0.3= 4.8÷0.6÷0.8=
12.6÷3= 0.25÷0.1= 0.64÷0.32= （2.5-1.5）÷0.2=
