学生用计算机如何计算log2

六年级下册作业本上的题目一个数,如果把它的小数部分扩大3倍,这个数是2.2；如果把它的小数部分扩大7倍,这个数是3.8.原来这个数是多少?还有一道：已知两个互质数的最小公倍数是123，这两 六年级下册的作业本题目⒈造句仿佛……似的……_________________________________先……再……还……_______________________________⒉填空不( )不( ) 不( )不( )大( )大( ) 大( )大( )答得好给10分 我要全部题目 六年级下册作业本回顾·拓展五第8题上面的短文中提到陈景润后来摘取了“数学皇冠上的民族”,这指的是什么呢?请你课外收集一下相关的资料,并简单地写下来.你也可以收集其他科学家的事 能不能陪着我长大的英语怎么说 若aa,3x>a的解集是 如果a0,3x>0,的解集是上面的不对，是如果aa,3x>a,的解集是 我每天都很高兴,因为有很多人陪着我英语怎么说 x的3m-6次方-3y的2n+1次方=10是二元一次方程,则m=?n=? 一道高中英语时态题208 Mum ,i was wondering if u could lend me a few dollars until i ___ on Friday.A get paid B got paid C have paid D had been paid ---Another cup of coffee?That's your third since lunch.---Yeah,well,I____all night preparing for my history exam.I can hardly keep my eyes open.A.stayed up B.have stayed up我搞不懂,不是说现在完成时可以用来表示过去对现在的影 高中英语时态题He ___ articles for our wall-newspaper these three years,and he ____ about forty articles.A.has been writing; has written B.has been writing; wroteC.is writing; has been writing D.has written; has written请说明为什么不选b 昨天是我二十二岁生日用英文怎么说? 初中英语听力与阅读七年级下册苏教版84~ 一些初中英语语法题要思路,1.Ban is now much( B)than he was 3years ago.A.happy B.happier2.There's(B )with the man.A.anything wrong B.something wrong3.We all agreeed that he was stronger is getting( A).A.he looked B.he was looked4.John gives 英语听力渐进七年级下册答案 求新目标七年级下册英语课文朗读及听力 英语翻译：我是海口中学学生会主席李华,我校将举办一次英语圣诞晚会,希望您能来参与我们的圣诞晚会,能翻译英语.有分 假设你是育才中学学生会主席李华你校将举办一次英语演讲比赛希望附近某大学外籍教师Smith女士来做评委. 要求：假如你是育才中学学生会主席李华,你校将举办一次英语演讲比赛.希望附近某大学的外籍教师Smith女士 初中英语语法题1.______enjoy watching the program ''shanghai rush'' on ics.a.most student b.most of students c.most of student d.most of students2.nothing was found but______broken.a.the room window b.the room's window c.the room of the window 新目标英语八年级下册教案 最好详细一点的. 动词时态练习1.Jia bi's twenty.he_____some chinese by the time he ___ ten.A.had learned,was B.has learned,was C..learned,was D.has learned,had been2.Sandy_____here now.I guess she_____to the lab.A.isn't,has gone B.is,has gone C.isn't,went D.isn' 几道初中英语语法题6.I have some _________ in working out the problem.A.difficulty B.difficulties C.troubles D.difficult7.There is a wire pole along the road _________ meter.A.about fifty B.every fiftieth C.each fifty D.every 508Southerners _ 《初中英语语法300题》上的几道英语问题1.Go and have _____ before we set out.A.some sleeps B.the sleepC.sleep D.a good sleep2.,we must dig _____.A.a three feet deep hole B.three-foot-deep a holeC.a three-feet-deep hole D.a hole three f 2013新秋英语人教版八年级上册教案 求新课标人教版英语八年级上册的教案 八年级英语上册全教案 英语时态分类, 初中英语中的时态分类 英语的一些时态与语法,最好一一分类,语法最好给些短语和解释,时态也详细些. 求一张英语时态时间划分表