来自陈跃新的问题
高中数学都有哪些类型的求和问题?
高中数学都有哪些类型的求和问题?
1回答
2020-02-04 21:27
我要回答
请先登录
李寿兵
高中数学求和问题,基本就在数列才会有
几种数列求和的基本方法：公式法、倒序相加、裂项求和、错位相减、分组、叠加、累乘法等等
2020-02-04 21:29:21
最新问答
推荐文章
猜你喜欢
附近的人在看
推荐阅读
拓展阅读
- 【13的英语单词怎么写】
- Lastweek，mygranddaughterstartedkindergarten（幼儿园），andcertainlyIwishedhersuccess．Iwassayingsomethingthatisnottrue．WhatIactuallywishforherisfailure．Ibelieveintheimportanceoffailure．Successisboring．S
- 【判断单词括号中的发音是否一致fearhere(earere)wearhair(earair)poordoor(ooroor)hearclean(earea)】
- o'clock后面能不能跟am或pm,还有forgettodosth和forgetdoingsth区别.before的用法
- 【跪求不少于80字的英文自我介绍!一定不能少于80字!】
- IwonderifJuliewillarriveatfivethirtyasshesaidthismorning.?________________.多选题谢谢A、Ithinkso.B、Shewillbelate.C、Idon’tknow.D、Don'tworry.Shealwayskeepsherword
- 阅读理解.MrBlackworkedinafactoryofasmalltown.Hehadbeenthereforabouttwentyyearsbeforeonedayhewassenttothecapitalforimportantbusiness.Hewasveryhappybecausehehadneverbeentherebefor
- 一.将下列句子译成中文：1.Thislistlastefortwelveyearsandthenstartsagain.(这张表满十二个月后会再次开始.）2.Thefullmooncomesonthefifteenthdayofthemonth.(每月的十五日是满月.）3.BeforeNewYear'sD
- 【Marylikedtoseethemglidingovertheseaastheyoftendo,withouttheirwingsmoving,butshesaidshedidn'tlikethenoisetheymake翻译!Thankyou】
- 【ed的发音规则】
- 问几个英语强调句选择题1.___comeagain.A.DoB.YouC.YoudoesD.Does求方法2.___thatshouldbegivenpriorityto.A.ItisthegovernmenthasdecidedB.ItisonlythegovernmenthasdecidedC.ItiswhatthegovernmenthasdecidedD.Itis
- 【荷花的作文啊600字急】
- 【她说她上次游得很差的英文shesaidshe()()()()swimminglasttime.】
- 荷花作文600字!急!~~~~
- 【完形填空Alittleboyinvitedhismothertoattendhisschool'sfirst-teacher－parentmeeting.Tothelittleboys1shesaidshewouldgo.This2bethefirsttimethathisclassmatesandteacher3hismothe】
- Thewomansaidshesawthethiefescapefromtheshop.为什么要用动词原型Thewomansaidshesawthethief____fromtheshop.横线上用的是escape.为什么要用原型.前面是saw阿,为什么不能用escaped?我知道是seesb.dosth.但
- 【建筑中用语夹层英文怎么说,发音有点像magzine的发音】
- 是beforework还是beforeworking是不是b是beforework还是beforeworking是不是before后加动名词或名词?
- youwillbeamazedbyyourthoughts
- 【请以英语介绍两个国际化的城市（每个城市80字左右）各位大虾们帮帮忙啊!小弟会追加悬赏的】
- 【间接引语改直接引语Shesaidshecouldgototheparkthenextday】
- 【notreally与notexactly有什么区别】
- Hesaidshewouldbebetter.与Hesaidshewillbebetter.
- 1.Ithink__waterintheglassisclean.2.Jimandhisfather___overthere.3.Thereis__onthetable.4.Look,Kate___abike.5.“Cantheyyunupthebigtree?”“___”1.A.aB.anC.theD./2.A.istalkB.aretalkC.istalkinggD.aretalking3.A.bookB
- Mymotherwastellingmeabouthowsheandherfamilygottheirfirsttelevisionwhenshewasateenager.Ofcourseitwasblackandwhite.Shesaidsheonlywatchitatnight.Shedoesn’trememberoverwatchingitinthemorningorafternoo
- 【Cleanersdo().TheykeepourcitycleanandtidyAanimportantworkBaimportantjobCimportantworkDimportantjob】
- Iwasdrivinghomeoneeveningabout5stuckintrafficandthecarstartedtodie—IhardlymanagedtogetintoagasstationgladonlythatIwouldhaveasomewhatwarmspottowaitforthetowtruck(拖车).BeforeIcouldmakethe
- 某客运公司九月份经营收入比八月份多18万,十月份经营收入比九月份少10万元,十一月份经营收入比十月份多6万元,用正数或者负数表示该客运公司这是三个月每月收入比上个月收入的增加量
- 选择发音不同的单词.1、A、busB、sunC、buy()2、A、cinemaB、cleanerC、cloud()
- WhenItalkedwithmygrandmaonthephone,shesoundedweak,butbythetimewe___up,hervoicehadbeenfulloflife.A.werehangingB.hadhungC.hung正确D.wouldhang为什么D对?D可以理解为在我们将要挂电话的时候么?D不