问题 解答题 2.6÷0.2=6.4÷0.8=2.4÷0.2=7.2×O.01=32÷0.04=7.9-6.9=4.71+0.9=1.5×0.4= 答案 2.6÷0.2=136.4÷0.8=82.4÷0.2=127.2×O.01=0.07232÷0.04=8007.9-6.9=14.71+0.9=5.611.5×0.4=0.6