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中国人最常犯的发音（英语）错误比如/v/ 的音很多人就发不准最好是视频啊 如果m,n是两个不相等的实数,且满足m²-2m=1,n²-2n=1,那么代数式2m²+4n²-4n+1999= 请问一下,6年级上册英语书中的P41的Let’read怎么翻译?求助~是那篇文，不是Let‘s read的意思。 pep小学六年级英语上册p72翻译let's read 已知2f（x/1）+f(x)=x （x不等于0） 求f(x) 求详解 Read and answer the questions.1.Peter has 100 comic books,34 English books and 11 maths books.How many books does Peter have in total?( )2.The red hat costs 45 yuan,and the green ong costs37 yuan.How much is the green hat cheaper than red one?( ) Read the passage and answer the questions.When I take a walk around Washington Square Park,I often see many people walking with dogs.It is still true that a dog is the most useful and faithful animal in the world,but people have changed the reasons w Read the text and then answer the questionsAfirst Bnext Cfinally Read the passage and answer the following questions.翻译 Read the following passage and then answer the questionsMr Johnson is having trouble with his stomach,so he goes to see a aoctor.But the doctor can't find any problem.Then he says,"Wall,there's nothing serious.Stop smoking and then you'll be all righ F(2X+1)=X平方-2X,则F(根号2)等于多少如题 2x的平方减2倍根号2x加1等于0 315是干吗的?315的来源 为什么315要 打假 打假 是什么意思? 请问315打假电话是多少? 打假波什么意思 11乘12乘13乘~乘60,得数有几个0理解,快 大家是怎么学习英语口语啊?比如说我下了 英语流利说 那个app,学是学了,但是又不经常用到,时间长就忘了…大家是怎么利用英语流利说提高口语呢? 哪里有英语口语视频教程下载?大家留下个下载地址吧, 成都英语口语机构求推荐? 解方程的步骤（分5步）,每步的依据分别是什么? 英语口语高手请进!美国英语和英国英语发音的区别? exchange your opinions on how to spend the sum of money if you won a million yuan.请帮我用英文写一下观点,越多越好, 1.67、8/5、1.6、1.506这组数中,最大的是（ ）,最小的是（ ） 5年级英语上册第5单元A read and write中文 read and write文章每篇都要,不是翻译 在1.67,,1.,160%,1.506一组数中,最大的数是（ ）,最小的数是( ),相等的两个数是（ ）和（ ）. 一道分式化简题![a^(-1)b^(2)c/a^(3)b(-1)]^(-2)除以[a^(-4)c^(5)/bc^(3)]^(3) pep小学英语五年级上册第五单元视频Read and write的汉语 英语翻译-What do you do on the weekend?-Usually i watch TV and go shopping.Sometimes i visit my grandparnts.What sbout you?-i often play football.Somgtime i go hiking.-That's fun.-but not this weekend.-Why?-the weather report saysit's going to ra ﹙-2x³Y²﹢3X²Y²﹚÷﹙﹣½X²Y²﹚