蒙氏数学作业纸第一册

单数项是什么比如单数项-xy/3的次数是____.请数学高人详细解答 JAVA编写一个类,输入1到50之间的奇数编写程序计算底边为6,高为7的三角形面积 和编写一个类,输入1到50之间的奇数 问一个奇数通项表示方法a1=1,a2=1*4,a3=1*4*7,a4=1*4*7*10,a5=1*4*7*10*14.ak=? 怎么判断奇数项的多少比如a1+a3+a5+```+a2n-1,有多少项?怎么算出来, 已知DE是三角形ABC的中位线,CD,BE交于点G,求证:BG等于2GE,CD等于3DG 解公因式:(x+y)-6x+6y+9(x+y)? (x-y)的2次方-6x+6y+9 人事有代谢,往来成古今的意思请说明是谁的名言,意思要具体. 人事有代谢, “人事有代谢,往来成古今”的意思 人事有代谢,往来成古今. 对“人事有代谢,往来成古今”的看法 1—30所有奇数 题西林壁里的不知庐山真面目,只缘身在此山中对后人的启示是什么.. 左边一火,右边上日下生. 印度洋的正中间是什么? 美国在印度洋的政策是什么? 太平洋,北冰洋,印度洋后面是什么?用不正常的思维想我去确认一下再来弄答案 帮忙修改英语作文（初二）The math teacher Mr Liu was my math teacher when I was in a primary school.He is knowledge and friendly.And very kind.How time flies!Now I amstudying in a mdeium school.And i never have forget he.When I became a gr 哪位同学可以帮我修改一下英语作文?正文：She became an astronaut because it's her dream and she's interested in space when she was a little girl.She is the US's second female astronaut,and she stayed in space station for seven days.S 帮忙改一篇初二的英语作文I think Wei Hua's weekend was busy.and my weekend was busy,too.Last Sunday i got up at half pat six the same as Wei Hua.and then I also had a quick breakfast.and then i began went to library.i was reading the books 修改一篇英语作文 初二My hobbies At past,I had many hobbies.Such as:listen to music,play the violin and so on.I used to listen to music when I didi my homework.I liked all the music,but classical music is my favorite.It made me relax. Bu 请英语高手帮忙翻译下,翻来覆去,单词也不难,就是看不明白.It was nothing for a girl to be sent away to service when she was eleven years old. That meant leaving the family as she had never been parted from for a day in her life b 有个朋友写的 单词差不多都知道 不过合起来看 看来看去 就是看不明白I actually continuously pace back and forth in 9 years and 3 years, did not know what I want is anything, how should choose, thereforeonly then slowly h 印度洋位于A、亚洲、非洲 B、亚洲、非洲、南极洲之间 C、亚洲、非洲、南极洲、大洋洲之间D、亚洲、大洋洲、南美洲、北美洲之间 这是一片英语作文,结尾 英语作文,开头,中间,结尾以给出,就添几个单词,开I’d like to say something about…中During the three days,I had a great time and enjoyed the trip/holiday a lot.结All in all,I think ________ is a beautiful and wonderful place and 夜行黄沙道中为什么是清风半夜鸣蝉,蝉在晚上会叫吗 六个连续奇数的和是168,求这六个奇数. 六个连续奇数的和是168,这六个奇数分别是多少 已知4个连续的奇数之和为168 那么其中最大的是 清风半夜鸣蝉晚上会叫吗我怎么没听见蝉晚上叫过