A teacher wrote down on the blackboard some consecutive nature numbers starting from 1,2,3......Then he erased a certain number from them,and the average of the rest numbers was十三又是三分之八.Try to find the number erased.

来源:学生作业帮助网 编辑:六六作业网 时间:2024/11/17 02:43:41
Ateacherwrotedownontheblackboardsomeconsecutivenaturenumbersstartingfrom1,2,3......Thenheerasedacert

A teacher wrote down on the blackboard some consecutive nature numbers starting from 1,2,3......Then he erased a certain number from them,and the average of the rest numbers was十三又是三分之八.Try to find the number erased.
A teacher wrote down on the blackboard some consecutive nature numbers starting from 1,2,3......Then he erased a certain number from them,and the average of the rest numbers was十三又是三分之八.Try to find the number erased.

A teacher wrote down on the blackboard some consecutive nature numbers starting from 1,2,3......Then he erased a certain number from them,and the average of the rest numbers was十三又是三分之八.Try to find the number erased.
答案:2.3.4 被擦掉了

老师在黑板上写下了一些相邻的自然数:1,2,3... ...。然后他从中擦掉了一个数字,剩下的数字的平均数是十三又是三分之八。找出被擦掉的数字。

My teacher gave me some a ____ and I wrote down. wrote a Please take out your notebook and_.A.write it down B.write down them C.write down itD.wrote it down if i don't ___ them____i should probably forget all about them.A wrote..down Bwrite..down he ----- a rabbit ---- ------ ----- -------(从课桌里拿出) and wrote down som my music teacher wrote a new song yesterday morning改为一般疑问句和否定句 (B)7.I quickly ____ what he said .A.written down B.wrote down C.take down D.taken down麻烦问一下,write down与take down有什么区别 we asked the teacher ()(sit)down for a rest 三道英语奥赛题求解(填空,小题)The book is a story book.That book has a red cover.(合并句子0That book ____ has a red cover ___ a story book.The teacher wrote some words on the blackboard.the pupils copied all of them down.(合并 三道英语奥赛题求解(填空,小题)The book is a story book.That book has a red cover.(合并句子0 That book ____ has a red cover ___ a story book.The teacher wrote some words on the blackboard.the pupils copied all of them down.(合 As I __a letter to my teacher,Robert __to visit me.A was writing; came B wrote; cameC was writing; was coming D wrote; was coming A teacher wrote down on the blackboard some consecutive nature numbers starting from 1,2,3......Then he erased a certain number from them,and the average of the rest numbers was十三又是三分之八.Try to find the number erased. when joy wanted a letter,she wrote down the letter before it in the alphabet.翻译成中文. He wrote down on his diary what he saw on his way there.改错 A B C D 初中单词拼写(首字母填空)He wrote a lot about his e...as a country teacher. She wrote a letter to letter to her English teacher last week.改为一般疑问句..急..快 After the teacher came in,the class _____.A.got down to work B.got down workingC.went down to work D.went down workong 英语 每空一词 (3 17:7:24)The teacher wrote some words on the blackboard.The pupils copied all of them down.(合并句子)The pupils copied down____theteacher worte on the blackboard.