问题 解答题 口算 0.16×5=0.7÷0.01=6.6÷0.66=0.25×4=1×0.1=1.3×0.2=4÷0.8=5.1÷1.7= 答案 0.16×5=0.8,0.7÷0.01=70,6.6÷0.66=10,0.25×4=1,1×0.1=0.01,1.3×0.2=0.26 4÷0.8=5,5.1÷1.7=3.