X ~ N(0,1) 求 P(-1<X<1)

没有人会解? 一道至今没人解出来的题!有二十四个点,把这些点用直线连起来,点和点不能交叉,线不能重合,不能斜着画( / )我每次连都只有一个空着,一个都不能少啊!示意图:.....只有二十四个点那- -你的图 有没有人解出七桥问题 1.The key to the success of any film is finding a capable and qualified artistic director,_____I always hope to be.A.who B.that C.what D.which D (为什么不选A）2.I gave that boy so difficult a math problem ____ he couldn’t work out.A.that B.wh (请解释明白选正确答案的原因,以及错误选项的原因)谢谢!--Does your car require______,sir?--Yes.I require that it _____right now.A.washing; is washed B.being washed; be washed C.to be washed; is washed D.washing; be washed i’m going to m_____to a new school空格里填什么 将7.8gNA2O2溶解在92.2g水中,所得的溶液中溶质的质量分数是多少? And l just want you to know,I'm here for you.中文意思是什么 Look at these three groups of letters.They get together in the same way.Please put letters Q,X and Z in the proper blanks.1.H I O ( ) 2.N S ( ) 3.J L G ( ) 人解决问题的思维过程 Love is really not a good thing really good hobby love 的意思?急、 I really good love you,Unfortunately,you do not understand me 把函数周期缩小一半,怎么算?帮我看看这题!f(x)=(cos2wx+sin2wx+1)/2,把周期缩小一半, 周期函数,5,6题 有没人会解这题 怎么都没有人解我的题? 有没有人会解这道题2000 dC/dt =x/60-7.2CC（0）=0 u should love the person that makes u glad that u r alive 是哪首歌歌词?RT 翻译成中文 That person should not be l,should be the human who you most love 高中英语语法单选题-You just think of yourself!You kept me waiting for about 2 hours.-I am very sorry that you______ think so.A could B would C should D might答案应该选C,想问这里为什么用should, 高中英语语法单选题 (1)—how long do you support it__he arrived here.—No more than half a week A.when B.before C.after D.since 正解为D,why还有after为什么不行(2)—Has the boy who was made__use of realized his mistakes.A.stealing 根据含碳物质的衍变填答：（1）碳的两种氧化物的化学式及碳的化合价分别是①_____________；②______________.（2）完成下列化学方程式：①____________________；②____________________；③__________________ 第2题 理由 第二题的理由是什么 第二题,理由是什么, (多项选择)正则表达式a*b*c匹配： A.ac B.a*b*c C.abc D.bbc children like playing with pets (who)改为特殊疑问句快 Children like playing with pest.(who)改为特殊疑问句 Does your father like ______(smoke)?No,he doesn't. I Love You (That S All That Really Matters) 歌词 –Does your father smoke?--_________,it’s 2 years since he __________.A.Yes; smoked B.No; smoked C.Yes; smokes D.No; has smoked这题选B,这是为什么呢?