表示担心神态的句子

数学因式分解,第2、4题 me.excuse.is.where the.museum.science? -----Excuse me ,which is the way to the science museum -----Walk along dongshan road ,it's next to a hospital .( )A you won't pass it B you can't miss it C you don't lose it D you mustn't see it 大哥哥,大姐姐们,这道题朗个做的哦, Where is the Science Museum?怎么改同义句? 新概念英语第二册学到第三单元就是学到第72课,能过英语A级么? 新概念英语第二册 第三单元学完就是学到72课,能过英语A级么? 数字信号处理中的傅里叶变换为什么有虚数j?跟序列有关系吗? 证明函数Y=X的三次方【X属于R】是增函数?答案中的过程设X1小于X2 .【（X1+二分之一X2）的平方+四分之三X2的二次方】大于零 是为什么啊 问一道函数证明题.证明：y=x的三次方,在R上递增 三角函数的对称中心怎么算?以f（x）＝sin（2x－π／6）为例,怎样算对称中心?请写出具体的解题思路! 点读笔和点读笔哪种好a 一个数分别与它相邻的两个自然数相乘,所得的两个乘积相差150,这个数是多少? 一个数分别与它相邻的两个自然数相乘,所得两个乘积相差180,这个数是多少? 一道微积分题A baker is creating a birthday cake.The base of the cake is the region R in the first quadrant under the graph of y=f(x) for 0 一道微积分题目求∫（2x+3）/（x^2+2x+2）dx 求一道微积分的试题 设函数y=y(x)由方程e^xy+x+y=1确定,求dy/dx 一道微积分题 不知道这步从哪来的已知x=(2+cosθ）cosθ得到dx/dθ=-sinθcosθ+(2+cosθ)(-sinθ)=-2(1+cosθ)sinθ是怎么得来的 宽带拨号542代码是什么意思 该怎么修复 .8464...8464.3364...64..542..96.96...24. 数字542是什么意思谢谢了,大神帮忙啊 64 426 542是什麼意思 英语Excuse me where library?中文 微积分一题 一道微积分习题求大神指教第二十三题 微积分的一道题目不好意思，我不是要上面那题目的答案，是现在这题目的……咱对证明题目很纠结…… 什么点读笔最好 微积分,这1题怎么做 求教一道微积分题!f(x)在（a,b)可导,且limf(x)（x趋向a+）=limf(x)（x趋向b-）=A(有限数或正负无穷）.证明：至少存在一点h属于（a,b),使f'(h)=0 若x属于[-1,2]求函数y=4（-x）次方-2（-x+1）次方-1的值域 (he) does his homework at home every evening?对打括号部分提问he (does his homework )at home every evening?he does his homework (at home) every evening?he does his homework at home (every evening)? Benny (does his homework) at seven every evening对括号部分提问 对My cousin does his homework(every evening)括号中提问