问题 解答题 口算. 3.6÷1.2=0.72÷0.9=2.6÷13=4.8÷0.4=4.4÷4=0.78÷6=7.2÷0.4=1÷0.25= 答案 3.6÷1.2=30.72÷0.9=0.82.6÷13=0.24.8÷0.4=124.4÷4=1.10.78÷6=0.137.2÷0.4=181÷0.25=4