1、口算练一练

2.4÷1.2= 0.25÷10= 7.2÷3= 15.6÷0.3= 8.4÷0.7= 10.5÷0.7= 5.2÷13= 4.8÷6= 0.64÷0.8= 1.2÷5= 3.6÷2= 7.2÷0.9=