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函数y=2^(-x^2+2x+3)单调增区间是 函数y=2x-3\x+1 的单调增区间为 f(x)连续,g(x)=∫ t^2f(t-x)dt,求g'(x) Please give the two academic and one personal reference persons. Relatives must be excluded.精确翻我是应届本科生,在应聘一个培训生,对我很重要.要写全英的简历,里面有这么一个要求,有点不太懂,有点疑惑,准确 函数y=x^2+2x-3(x>0)的单调增区间是 (PC)mean personal_填什么|?中文? 普兰比尔德的日记怎么做 若F(x)=∫(x,a)xf(t)dt,则F'(x)= 数独 这题怎么解的? 已知积分 0到x的f(tx)dt=(1/2)f(x)+1,求f(x) scrambled paragraph请将以下的ABCDE这5句话与开头句组成一段小节.开头是：The human male,hearing for the first time about the heartrending love-life of the male praying mantis,would wonder that the species continues.(A) The anxiety 帮我写一段英语的paragraph主题是 和谐校园\幸福生活不是我不写,我写了但是写得不够好,我不够水平.我们班要办黑板报,所以跟校园有关的motto poem 散文片断都行,幽默也行,优美也行.字数不限 【求助】用英语写一段paragraph帮我用英语写一段paragraph topic是"my hobby" 不用写太多大概10句话就好 需要明确要有一个topic sentence,3个support sentence和3个detail/example sentence去证明3个support 最后结尾 "how to get znformation . in zhe modern world "写作：you are required to write a composition entitled"how to get znformation . in zhe modern world "remember to explain major means to get information in your passage.you should write at least 100 w 看图求答 看图,很急的,谁帮我答上 看图答提 初相怎么求? 帮我写一篇英文paragraphUsing whatever resources are at your disposal, research a person who you feel has made an important contribution to the world, either past or present. Be sure to find a substantial amount of information to draw you concl 人间兵器的英文是甚么?除了“Paragraph 78 Paraphrase this paragraph in simple English.“… And while Del Bosque's team certainly looked comfortable as they worked the ball around midfield,Germany showed excellent shape and discipline,and were rarely dragged out of position….” [(x+y)^2(x-y)^3]^3=(), 看图,判断句子对错,并改正. 帮忙找出错误的句子纠正.It was his first day in the mountains that winter.The mist was thickening as darkness fell.Being only a five-minute walk to the village,there was no reason to feel afraid.He picked up his shopping basket and left the 蒸融的近义词和反义词 2222+3333＝? 某人去时上坡速度为每小时3千米,回来是下坡速度每小时6千米,求她的平均速度 小明上坡速度是每小时4千米,下坡速度是每小时6千米,求上下坡的平均速度. Geoffrey怎么读?拼音、、说好 了 景山龙英特无机活性保温隔热材料I型密度是多少 1X2分之1+2x3分之1+.+2011X2012分之1 人教版高一必修一历史MP3我想睡前听听,方便记忆,自己的录音也行只是穿线索