口算下面各题. 0.6×0.9=0.45÷0.5=0.27÷0.03=4.5×2 发布时间:2017-04-29 15:09 │ 来源:www.tikuol.com 题型:解答题 问题: 口算下面各题. 0.6×0.9=0.45÷0.5=0.27÷0.03=4.5×2=1.25×8=2.5×4=7.8÷0.2=1÷0.1=10×0.01=99×0.1=