已知:5.21=2.283,52.1=7.281,35.21=1.734,352 发布时间:2017-04-14 01:25 │ 来源:www.tikuol.com 题型:填空题 问题: 已知:5.21=2.283,52.1=7.281,35.21=1.734,352.1=3.735,则5210=______,30.0521=______.