地壳含量最高的金属
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化简1+x+x(x+1)+x(x+1)^2+x(x+1)^3+…+x(x+1)^2013
an ____________ of people gathered to watch the (rise) of national flag
Who ____(rise) the flag on Monday in your class? Peter ______.
How do you spend your National Day?求此英语作文请各位哥哥姐姐们帮个忙
Mr Green is very busy.He often feels tired____(easy).怎么填?
若多项式x^2+ax+16a是一个多项式的平方,求a的值
Mr.Green is very busy.he can't____our meeting this afternoon
计算由平面Z=0及旋转抛物面Z=1-X²-Y²所围成的立体的体积会写的帮做下.感激不尽.把公式和过程写出来,分就是你的
raise rise区别
下面的英文句子有什么不正确的地方吗?有的话请帮忙修改一下、亲/谢谢、Hello everyone.I'm happy to be here.I'd like to intorduce myself.My name is XX.I was born in XX.XX years old.I am a lively girl and very positive in my
matlab排序哪个函数计算速度快
matlab中有没有计算冷却速度的工具? 最好是计算凝固过程?
scilab计算速度比matlab快吗?和matlab比有什么优势啊
She said she had some trouble her homework.Afinishing Bto finish选哪个可是为什么不选B呢,不定式也可以做定语啊
raise&rise的区别如题.
The things she said make me ______ if she is in some kind of trouble.The things she said make me______ if she is in some kind of trouble. A. to wonder B. wonderC. wondering D. wondered这题应该选什么呢?为什
raise和rise的区别?
She said she had forgotten( )her homework A did B do C doing D to do
rise,raise间的区别?
x平方-ax+b能分解成(x-3)(x+4),求a,b的值
Shi is very busy.的同义句
中译英,请帮我译一下.其实公司对客户付款时人民币对美金汇率并没有一定的规定,只要不要与实际汇率相差太多就可以了
英语翻译1.幸好附近有家医院,我们立刻把他送到了那里.2.他决心继续他的实验,不过这次他将用另一种办法来做.3.玛丽觉得单靠自己的力量执行她的计划是困难的.4.甚至在他的医生告诉他患有
青少年进行自我保护时应注意哪些问题?
If she doesn't finish her homework,her teacher will be mad at her.(改为同义句)____she____ her homework ,her teacher will be mad at her.
怎么用英语解释this street is very busy
英语 He is very busy,he exercisses in his free time(用although把两个句子连成一句)
求函数的驻点,极值点和对应的极值,f(x)=2x平方-6x+1
求函数y=2x的立方减去6x的平方减去18x加3的单调区间与极值
We often climb mountains and watch insects on the weekend什么意思
一元二次方程x(x+1)=3(x+1)化为一般形式
兔窝要怎样构造成?希望能详细一点,主要是圈养兔子,它的窝要怎么构造,才更合理、更有利于兔子的生长繁殖!