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文科数学立体? 本人脑袋笨.求详解.有两段长度相等的电线,安装电灯时,第一段用去了35米,第二段用去了5米,结果第二段余下的电线刚好是第一段余下的4倍.两段电线原来长多少米? 数学问题,脑子笨,数学是语文老师教的!1.一次投入总数的一半,赢则为总数的25%,输就输光投入的也就总数的50%.2.下一次投入为上一次盈利之和或输剩下50%的一半.3.重复2的模式,求输赢比例为多 我老被人敲脑袋,总觉得自己变笨了很多.解一道基本的数学都要想很久.会不会是被别人敲的?患者信息：男 16岁 数学总是学不好 上课总是打瞌睡 对数学没有兴趣 马上要初三了 怎样才能提高数学? 我不喜欢数学,每次一上数学课,我很烦恼.我上课认真听讲,再做习题就不会.帮帮 本人初一了,可数学不怎么好,虽然上课时很认真的听,但还是考不好.为什么呢? 给10句爱国诗,加赏析,赏析（50字）,古诗一定要作者朝代,不要词或者别的,只要古诗. 怎么才能做好语文的文言文阅读? 怎样做好语文文言文阅读 明明很努力得学数学 但是提不起来 我该怎么办 现在数学只能考明明很努力得学数学 但是提不起来 我该怎么办 现在数学只能考80左右 查汉字笔顺笔画的字典叫什么名字 怎么查汉字笔画怎么查汉字笔画怎么查汉字笔画怎么查汉字笔画怎么查汉字笔画怎么查汉字笔画 哪本书能查汉字的笔顺 如何辨认先行词在从句中是主语还是宾语 有横折横这个笔画吗 介宾结构做从句的主语,有时候IN后直接加WHAT,做主句的宾语,这要看先行词的成分么?有时就用WHICH,不过就这两种情况吧?请举一例,我总是分辨不不好. 英语中从句（主语从句,宾语从句……）的引导词该怎么选用?引导次（What,Who,That……）除了引导从句还可以怎么用?请详细回答最好有例子 好词20好句7好段3初一 closes what need for do you your trip连词成句连接成一个完整的句子 1.He’s been unable to go near a petrol station _____ (simple) because of the smell.2.______ (nervous),they waited for their crops to grow.3.There must be something ______ (serious) wrong with our society.4 Although a ______ (major) of the students 一道语法填空1________ artist had a small daughter.Sometimes he painted women 2_________ any clothes on,and he and his 3________ always tried to keep the small girl out 4_________ he was doing this,“She is 5_________ young to understand,” th 一道语法填空求解You may get bills for _____credit card account you never know you had.填a还是the 为什么我本来填the的，我觉得后面说you never know you had不是特指吗 英语选择题——She doesn't know that he ( )her ring A.finds outB.was finding outC.had found outD.would find out 雅思词汇胜经词汇词性后面的东西是什么?例句是下面 英语翻译 语法填空 两个空 要讲解为什么he must be faced with the question how ___to ask__ (ask) his friend to return his money,___4___ person or by writing a letter?If I hadn‟t received his letter,it would ___8___ (ruin) our friendship only b 请填空,并详细解析一下用这种语法的原因.the way the guest _(treat）in the hotel influenced their evaluation of the sevice.可以填would be treat或have been treat吗? She's Just Not That Into You She is just not that into you 其实你不懂她的心 好像是这个意思 还是她没那么喜欢你 表达她喜欢你还是不喜欢呢 这是一个女生写给我的 是一部电影的名字 英语翻译Oh,yeah,as it turns out,her ass looked really huge in the daylight.字面意思和有什么潜在含义? 关于鲁达故事整理鲁达所有故事整理.每回二十多个字就好了.