文章合为时而著歌诗合为事而作
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有没有呀,最好的是北师大下的题目,难一点的!我要补习了!
2a-1和3a+4是某数的平方根,求这个数
3a-1与2A-4是一个正数的平方根,求出这个数
飞船飞行,它的速度要大于第一宇宙速度而小于第二宇宙速度,第一宇宙速度的计算公式是v1=√gR(m/s),第二宇宙速度的计算公式是√2gR(m/s),其中g=9.8(m/s^2),R=6.4*10^6(m)求第一,第二宇宙速度(
第一宇宙航行速度的公式
beer is made of一个是grain and water 一个是corn and water 标准答案给的是grain and water ,可是啤酒是小麦做的啊,那就该选有小麦意思的corn才对.
编一道高一英语定语从句的选择题,要带make use of的,
英语选择题: An eraser is made of ____ ? A. rubber B. cotton C. water D. oil
设fx在R上是奇函数,当x大于0时,fx=-x(1+x),求当x小于0时,求fx表达式
A (society) is made up of people from all walks of life.括号内的词的用法分析.
若x小于-1 则2x-1的绝对值+根号下x的平方+2x+1等于
用 all walks of life ,grow up,take up,occupation ,various,society,be made up of 写一篇英语作文120字左右 内容不限 要用到这些词组 好了我还会加分!
Our classroom ____ eight windows.have,has,there is,there are.其中一个的适当形式填空.
明天上学,惨了.九九家电城上午售出海尔洗衣机4台,下午售出同样的洗衣机7台,卖这种洗衣机上午比下午少收货款3150元.(1)平均每台洗衣机售价多少元?(2)上午、下午卖这种洗衣机各收入
if you don't work hard,you can't make success_____your whole life A.in B.within C.between D.from
往下看 补全对话 A;What are you looking at under the tree ,Jim?The bird?A;What are you looking at under the tree ,Jim?The bird?B;N﹎,I'm not looking at it.I can't f﹍my cat.A;The white one o﹍ the black one?B;The white one,I know she likes
Life is full of ups and downs.Success always comes along with failure
What are looking at?A on the treeB on a pictureC under the bed D in the picture
L look like a bird.I kan fly.I`m not animal.I`m big and hard .What am
2014福建省质检切线2014福建省质检各个城市本一 本二切线 (文理)
There are a girl and four boys in the class.改错
There are a boy and a girl in the classroom.这句话怎么错了?
(2x-2)²+(3x+1)² 用八年级上册的数学知识算,就是平方差因式分解什么的那章
江苏版五年级上册寒假作业在哪买
初中数学题--X的立方减9X,分解因式x的立方减9X,分解因式
The only limit to our realization of tomorrow will be our doubts of today .
The only limit of our realion of tomorrow will be our doubts of
The only limit to our realization,will be our doubts of today!
对任意实数ab,定义:F(a,b)=1/2(a+b-|a-b|),若函数f(x)=x^2,g(x)=5/2x+3/2,h(x)=-x+2,那么函数G(x)=F((f(x),g(x)),h(x)),求h(x)的最大值
192.168.10.15/28、192.158.10.16/28、192.168.10.31/28后面的28是什么意思 表示什么
192.168.1.10/24 ;192.168.1.10/22 其中22跟24表示是什么意思?是怎样计算的?
用put造句用put造一句英文句