以知线段a_______,b____,画一条线段,使这条线段等于a+b

以知线段a_______,b____,画一条线段,使这条线段等于a+b 六年级数学（线段与角的画法）好的追加100分!1、已知线段a、b,画线段AB,（1）使AB=a+2b；（2）使AB=2a-b2、已知线段a、b、c,画一条线段使它等于a-b+c3、画法:画射线(1)A_______;(2)在射线A_______上截 如图已知线段a、b、c画一条线段AP使它等于a-b+c画法:(1)画射线A____ (2)在射线A____上截取_____=a (3)在线段B____上截取B____=b (4)在射线E____上截取E____=c所以,线段_____ 如何用圆规做一条线段等于以知线段? 以知线段m如图,用直尺和圆规画一条线段AB,使AB=mm线段2.5厘米 CAD制图中画与以知线段保持一定距离的线段假设有已知不规则线段A(线段由直线曲线等构成),那么我想画一条线段B.但线段B与线段A必须保持10CM的距离,那么线段B如何去画.求教 如图,以知线段a、b,画一条线段,使它等于2a-b.就是写完后怎么答来着?就是那个：*******（已知）既线段AB=线段2a-b（中点的定义） let's b____ work now.如题,填空,以b开头的单词 如图,以知线段a、b,画一条线段,使它等于2a-b.写具体解题过程.好的加分.快点呀!写具体！ 以一点为端点,可以画（）条线段 帮忙做一条英文题One day a cat m_____ an owl.They l____ ateach other.Then they b____ to talk.You l___ so much like me.Who are you?the cat a____.Im an owl,s____ the owl.And you?Im a cat,a_____ the cat.What can you d___?a_______ the o 根据句意和首字母提示补全单词1.There is a pay phone in the n___.2.People put their money into a b____.3.Is there a b_______near here?I want to buy some books.4.The hotei is a_______ from the museum.5.Li Lei ia posting a letter to his fri Working in the west of China has more a_______ to young people nowadays.填个以a为首字母的单词 jack is a_______ my friend 以知点O为圆心,线段a为半径作圆,可以做几个? 画线段ab=3cm:以点A为圆心以线段AB为直径画一个圆 为什么垂直平分线要以大于线段的二分之一长度为半径画弧线?RT~ Look!The b____ is green.You can't have it.填空 单词 b开头填一个以b为首字母的单词