二项式系数

This pair of shoes look very nice.为什么不是looks? This pair of shoes looks very nice.中为什么要用loThis pair of shoes looks very nice.中为什么要用looks 告诉我用英语怎么写 谢谢用英语怎么写?告诉我 告诉我你在想什么 的英文怎样写? be,this,nice,pair,shoes,of(?)怎么组句 某函数y=kx的图像过点（3,—2）则这个函数的表达式为 已知函数y=kx+b的图像经过点（1,-1） 且k：b=-3：4 则该直线的表达式为 英语I would like to talk about holidays in China【改为一般疑问句】 vb算术表达式中平方怎么表示? 求助修改英语信这是模板.希望修改下面的段落.只要大致上意思相同就行了.应为不能使用原文谢We regret the inconvenience that has beencaused to you.We hope you will be satisfied with the arrangement we have madefor yo 英语书信修改.Excuse me for my delay in answering your letter,because I have prepared my final exam last week,in fact,to become an excellent radio announcer is my life goal ,ever since junior high school .I have dream about that I’d like to tr 帮忙修改一下这封英文欢迎信Dear Mr.or Madam.,It is great pleasure to welcome your patronage of Beijing **** Center.It’s really is a good chance for all of us to communicate directly.You’ll be with many congenial people here,and I’m there are 1600 pandas in china对划线部分提问1600 是there is about 1600 pandas 还是there are about 1600 pandas 遗忘的英文单词怎么写?想要遗忘一段不是爱情的爱情! 英语 忘记她 怎么写? Do you know the town well No,this is the first time I __here A came B have been Ccome Dam coming但是 have been 不是表示去过的吗,本题应该还没回来 ,我感觉用have come 但是没这个选项 ,为什么不用have come There are about ____ people in the world and ____ people in chinaA 4800000000,1200000000B 6000000000,1300000000C 5500000000,1100000000D 5800000000,1300000000 There __ ___ books about Chinese music in the library.图书馆里没有中国音乐方面的书籍。There __ ___ books about Chinese music in the library. There are many---shops in this street.I want a pair of---shoes A shoes,sport B shoes,sportC shoe,sports D shoes,sports答案是C,我非常不解,不是说名词修饰名词,前面的名词用单数,后面的名词用复数,那么这道题不是 There are many kinds of shoes in this s______,so you can choose a pair easily. There are many men's shoes in this shop.这句句子是正确的吗?回答并解释.在线等待 如图,直线y=kx+b分别交于x轴和y轴于点A(-2,0),B(0,-3),则关于x的方程kx+b=0的解为____,关于x的方程kx+b=3的解为_____. 计算A类不确定度u(a):某一工业容器温度控制要求为10℃,用温度计连续测量6次,得出一组测得值：第一次：10.0℃；第二次：10.2℃；第三次：10.3℃；第四次：9.7℃；第五次：9.8℃；第六次：10.3 间接测量量的不确定度有A类、B类的评定吗我知道直接测量量得计算A类与B类,也知道误差传递公式,但用误差传递公式计算出来的结果是否就是间接测量量的结果?还是这个结果是间接测量量的 我想问下分光计的不确定度大概是多少啊!如a类不确定度!b类不确定度!合成不确定度啊什么的? manga是什么意思? hentai manga是什么 "A类不确定度","B类不确定度"的区别? "理想"的英文解释 列单词表用英语怎么说