(1)李家湾林场今年计划植树840棵,实际完成了计划的120%,实际植树多少棵? 发布时间:2017-04-15 06:09 │ 来源:www.tikuol.com 题型:解答题 问题: (1)李家湾林场今年计划植树840棵,实际完成了计划的120%,实际植树多少棵?(2)李家湾今年植树1008棵,实.际完成了计划的.120%,原计划植树多少棵?
题型:解答题 某省从3个水中氟含量不同的地区随机抽取10~12岁儿童,进行第一恒齿患龋率的调查,结果如下表:无效假设应为()A.B.μ1=μ2=μ3C.P1=P2=P3D.π1=π2=π3E.以上全不对 查看答案
题型:解答题 动词填空。1. Mr Johnson likes ______ (watch) TV in the evening. 2. He ______ (go) fishing yesterday. 3. What ______ you ______ (do) this weekend?4. Listen! Someone ______ (sing) in the next room. 5. Mrs Beet ______ (drive) very fast to work every day. 查看答案