对a,b∈R,记max{a,b}=a,a≥bb,a<b,函数f(x)=max{| 发布时间:2017-04-20 04:59 │ 来源:www.tikuol.com 题型:选择题 问题: 对a,b∈R,记max{a,b}=a,a≥bb,a<b,函数f(x)=max{|x+1|,|x-2|}(x∈R)的最小值是( )A.0B.12C.32D.3
题型:选择题 ride past weekday homework dinner get breakfast classmate watch ball Sally is a good girl. She never 1 up late. Her mother wakes her up(唤醒)at 6:00 a.m. From a quarter 2 six, she begins to do sports. The she comes back and has 3 at six forty. After that, she goes to school. Sometimes she 4 her bike. At school, Sally has seven classes on 5 . Sally is good at(擅长)English. She san speak English very well. After school she often plays 6 games with her 7 . Then she goes home by bus. She gets home before 6:00 p.m.. After 8 she begins to do her 9 . Then she 10 TV for a while, she always goes to bed before half past ten. 查看答案
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