one+cannot+across+his
@勾翟4630：概率问题设y的分布函数为F(x)=A+1/πacrtanx,x属
米进15730389348…… F(+无穷) =1 arctan(+无穷) = pi/2; A+1/2 =1 ; A =1/2;
@勾翟4630：C++中cannot convert parameter 1 from 'char [100][100]' to 'char ** '的错误 -
米进15730389348…… #include＂iostream＂#include＂string＂ using namespace std; int n; void sort(char a[][100]); void find(char a,char p[][100]); void main() { int i; char x; char s[100][100]; cout cin>>n; cout for(i=0;i cin>>s[i]; sort(s); cout cin>>x; find(x, s); } void sort(char ...
@勾翟4630：英语can的否定形式 -
米进15730389348…… 英语can的否定形式为:can't; cannot. 1、can't 英 [kɑ:nt] 美 [kænt] v.不能,不会. I'm afraid I can't remember the way 我恐怕不记得路了. 2、cannot 英 [ˈkænɒt] 美 [ˈkænɑ:t] 不能;=can not;未可;不可. It cannot be denied that you are ...
@勾翟4630：几个英语问题 1.cannot什么时候连用什么时候应写成can't 2.did是什么时态里的?什么时候用?3.现在分词和过去分词是什么?现在分词可以等同于 - ing形式吗... - 作业帮
米进15730389348…… [答案] 1.两个是同一个意思 但前者cannot一般表强调 正如do not表don't的强调一样2.did是过去式 在一般过去时做助动词Did you see that?I did see that(表强调)≈I saw thatI didn't see that3.现在分词就是现在进行时 一...
@勾翟4630：帮我看看有没有问题,语法上的 -
米进15730389348…… 1.New policy tells us that (if) there is a lion in this forest let's get away from this forest as soon as we can.2.By the time these textbooks are sold, those magazines will be sold at book stores throughout the country.3.Now ( that 删除 )this policy tells us ...
@勾翟4630：英语万能句子,要高级的. - 作业帮
米进15730389348…… [答案] 1.as an old saying goes,.正如一句古老的谚语所说 2.be nothing but... .不过就是... 3.from where i stand. 从我的立场来说 4.... 无可否认. 9.nothing is more+adj.+than to+v.没有比...更重要的了 10.主语+cannot emphasize the importance of.too much 再怎...
@勾翟4630：已知{2acrtanx - ln(1+x)+ln(1 - x)}/x^m=a a≠0.则常数m=? a=? -
米进15730389348…… 利用罗比达法则.a=lim x->0+ {2acrtanx-ln(1+x)+ln(1-x)}/x^m=lim x->0+ {2/(1+x^2)-1/(1+x)+1/(1-x)*(-1)}/[m*x^(m-1)]=lim x->0+ [4x^2/(x^4-1)]/[m*x^(m-1)]=lim x->0+ [4x^2/(x^4-1)]/[m*x^(m-1)]=lim x->0+ 4*x^(3-m)/(x^4-1) 故m=3,a=4/(-1)=-4
@勾翟4630：用函数单调性证明不等式 当x>0时,acrtanx+1/x>π/2 -
米进15730389348…… 令F﹙x﹚=acrtanx+1/x-π/2 F′﹙x﹚=1/﹙1+x²﹚-1/x²=-1/[﹙1+x²﹚x²]x→+∞时,F﹙x﹚→﹙π/2﹚+0-π/2=0 ∴x>0时 F﹙x﹚>0 [递减函数.F﹙+∞﹚=0 .] ﹙如果楼主觉得不清楚,可以自己用反证法严格证明﹚ 即当x>0时,acrtanx+1/x>π/2
@勾翟4630：英语作文中常用的特别的句型 -
米进15730389348…… 1. It作先行主语和先行宾语的一些句型 She had said what it was necessary to say. 2. 强调句型 It is not who rules us that is important, but how he rules us. 3.
米进15730389348…… F(+无穷) =1 arctan(+无穷) = pi/2; A+1/2 =1 ; A =1/2;
@勾翟4630：C++中cannot convert parameter 1 from 'char [100][100]' to 'char ** '的错误 -
米进15730389348…… #include＂iostream＂#include＂string＂ using namespace std; int n; void sort(char a[][100]); void find(char a,char p[][100]); void main() { int i; char x; char s[100][100]; cout cin>>n; cout for(i=0;i cin>>s[i]; sort(s); cout cin>>x; find(x, s); } void sort(char ...
@勾翟4630：英语can的否定形式 -
米进15730389348…… 英语can的否定形式为:can't; cannot. 1、can't 英 [kɑ:nt] 美 [kænt] v.不能,不会. I'm afraid I can't remember the way 我恐怕不记得路了. 2、cannot 英 [ˈkænɒt] 美 [ˈkænɑ:t] 不能;=can not;未可;不可. It cannot be denied that you are ...
@勾翟4630：几个英语问题 1.cannot什么时候连用什么时候应写成can't 2.did是什么时态里的?什么时候用?3.现在分词和过去分词是什么?现在分词可以等同于 - ing形式吗... - 作业帮
米进15730389348…… [答案] 1.两个是同一个意思 但前者cannot一般表强调 正如do not表don't的强调一样2.did是过去式 在一般过去时做助动词Did you see that?I did see that(表强调)≈I saw thatI didn't see that3.现在分词就是现在进行时 一...
@勾翟4630：帮我看看有没有问题,语法上的 -
米进15730389348…… 1.New policy tells us that (if) there is a lion in this forest let's get away from this forest as soon as we can.2.By the time these textbooks are sold, those magazines will be sold at book stores throughout the country.3.Now ( that 删除 )this policy tells us ...
@勾翟4630：英语万能句子,要高级的. - 作业帮
米进15730389348…… [答案] 1.as an old saying goes,.正如一句古老的谚语所说 2.be nothing but... .不过就是... 3.from where i stand. 从我的立场来说 4.... 无可否认. 9.nothing is more+adj.+than to+v.没有比...更重要的了 10.主语+cannot emphasize the importance of.too much 再怎...
@勾翟4630：已知{2acrtanx - ln(1+x)+ln(1 - x)}/x^m=a a≠0.则常数m=? a=? -
米进15730389348…… 利用罗比达法则.a=lim x->0+ {2acrtanx-ln(1+x)+ln(1-x)}/x^m=lim x->0+ {2/(1+x^2)-1/(1+x)+1/(1-x)*(-1)}/[m*x^(m-1)]=lim x->0+ [4x^2/(x^4-1)]/[m*x^(m-1)]=lim x->0+ [4x^2/(x^4-1)]/[m*x^(m-1)]=lim x->0+ 4*x^(3-m)/(x^4-1) 故m=3,a=4/(-1)=-4
@勾翟4630：用函数单调性证明不等式 当x>0时,acrtanx+1/x>π/2 -
米进15730389348…… 令F﹙x﹚=acrtanx+1/x-π/2 F′﹙x﹚=1/﹙1+x²﹚-1/x²=-1/[﹙1+x²﹚x²]x→+∞时,F﹙x﹚→﹙π/2﹚+0-π/2=0 ∴x>0时 F﹙x﹚>0 [递减函数.F﹙+∞﹚=0 .] ﹙如果楼主觉得不清楚,可以自己用反证法严格证明﹚ 即当x>0时,acrtanx+1/x>π/2
@勾翟4630：英语作文中常用的特别的句型 -
米进15730389348…… 1. It作先行主语和先行宾语的一些句型 She had said what it was necessary to say. 2. 强调句型 It is not who rules us that is important, but how he rules us. 3.
