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共找到 797779 与阅读理解Itwasasunnyday.Mr.Blackwenttotownonbusiness.Onhiswayhomehefoundinfrontofhimabigpileofhay 相关的结果,耗时894 ms
I miss you now.I don't know why,but this is true.I‘m sle
英语
英语翻译Trash Can Sinatras Lyrics - Leave Me Alone Lyrics the hardest thing of all is to belong the oddest thing of all this time is i'm n
其他
t sad at all i
I'm good at basketball.A.play B.plays C.playing D.to playI'm good at basketball.A.play B.plays C.playing D.to play I'm good at basketb
英语
ll.A.play B.pl
I'm not feel well and I feel tired.I can't listen the teacher.这句话哪里错了?
英语
数学F(t)=e^t-t-1,则F(t)的导数=e^t-1为什么t≠0时,F(t)>F(0)=0,即e^t-t-1>0那位好心人解答下,O(∩∩)O谢谢
数学
I'm tired out. I all afternoon and I don't seem to have finished anything.A. shopped
I'm tired out. I all afternoon and I don't seem to have finished anything.A. shoppedB. have shoppedC. had shoppedD. have been shopping
|E-A|=|AA^T-A|=|A(A^T-E^T)|,其中A是转置矩阵,为什么这里E也要跟着转置?A(A^T-E^T),这个只是左乘,E跟着转置为什么啊?
数学
已知函数f(x)=(x-t)|x|(t∈R).(Ⅰ)求函数y=f(x)的单调区间;(Ⅱ)当t>0时,若f(x)在区间[-1,2]上的最大值为M(t),最小值为m(t),求M(t)-m(t)的最小值.
数学
用matlab求最大值i=(18-t^(2/3))-(5+t+2*t^(2/3))i是因变量,t是自变量.这个函数是减号,式子没化简,化简完是i=13-3*t^(2/3)-t
其他
已知椭圆C:x24+y2=1的短轴的端点分别为A,B(如图),直线AM,BM分别与椭圆C交于E,F两点,其中点M(m,12)满足m≠0,且m≠±3.(1)用m表示点E,F的坐标;(2)证明直线EF与y轴交点的位置
其他
值.
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