1.在里填上“>”“<”或“=”。7.37.21.511.5109.0710.0110.97211.5724.564.650.640.62、在()里填上适当的小数。3.9<()<4.15.1<()<5.22.7<()<2.719.03<()<9.110.5>()>10.493.2>()>33、在括号里填上适当的三位小数。0.05<()<()<()<0.0554、把下面的数按从小到大的顺序排列起来。3.0140.3043.0431.43.1040.435、在70米短跑比赛中,王丽的成绩是9.8秒,刘美的成绩是9.9秒,王文的成绩是8.9秒。请你把她们比赛的名次排出来。答案：＜＞＜=＜＜＞1、7.37.21.511.5109.0710.0110.97211.5724.564.650.640.62、452.7059.0410.4913.13、0.0510.0520.0534、0.304＜0.43＜3.014＜3.04＜3.104＜31.45、8.9＜9.8＜9.9刘美第一，王丽第二，王文第三。