大树的自述作文

取一根绳子测量教室的长度,若把绳子折成5等份来测量,绳子多1米；若把绳子折成4等份来测量,绳子多3米,问绳子和教室各有多长? 一元一次不等式 (1 17:49:58) 1.3x-m≤0的正整数解是1,2,3,则m的范围是?      2.求关于X的解集 1∕ x＜ 1  ?        3.   一名同学在计算a-31.7+2.64时,错算成a-31.7+26.4,这样结果比正确答案多还是少,差多少? 气象小组的同学统计了若干天的平均温度是17摄氏度,事后复查发现,计算温度时将某一天气温的31摄氏度误作13摄氏度算了,重新计算后,这几天的平均气温是20摄氏度,气象小组的同学统计了几天 17-31.2/(8.2-3.4)怎样简便计算? 解方程啊：x{x+8}=16 快啊 解方程x(x+8)=16 解方程：x^2=8^2+(16-x)^2 8÷x二16解方程 解方程x+8=16的第一步x=16-8的根据是什么啊? 解方程4x+3(16-x)=58完整一点 设[x]表示不超过x的最大整数.如:[3]=3,[3.5]=3 .解方程 /x/+2[x]+4[x]+8[x]+16[x]+58=0 如果【x】表示不大于x的最大整数,那么方程|x|+2【x】+4【x】+8【x】+16【x】+58=0的解如题 ( ) 1.In the morning,the sun ______ ______the east.A.comes out ,in B.comes out ,fromC.came out ,to D.came out ,of( ) 2.Could you tell me ________ the toaster without any help?A.how did he repair B.what did he repairC.how he repaired D.what he repaire 初二英语选择题求讲解 在线等希望能够给我讲讲语法知识点.谢谢.1. My parents talked with my teacher B .A. in a few days B. the other dayC. every day D. all day2. Let’s cross the street from school. Th 1,How( )orange is there in the fridge?1,many 2 much (答案是2,为什么,是不是答案错了）2,I（ ）once a month1,go 2 go some shopping 3,do shopping 4,shop 英语 超急的 (24 10:26:51)In the USA,Mother'sDay is a hodiday   .太长了                            初二英语选择题,求高手解答 英语 单项选择 (18 11:51:52)he -----her a beautiful hat on her next birthdaya.gives           .b.gave          c .will giving       苍蝇a和蚊子b飞过耳边时,我们即使看不到它们也能知道是谁飞过耳边,这跟它们翅膀振动发声的响度L和音调F有关,则下列关于响度和音调的大小关系正确的是（ ）A.   La＞Lb  ,  F 英语翻译1.—Would you like to climb mountanti with me this Sunday?---I'dloveto.But I__play table tennis between Class Three and ourclass.A.am going B.am going to C.am D.going to2.----DO you like swimming?------Yes,swmming is a good way____fit.A. 1._____ you play basketball?A.Why not B.Why don't C.Why D.Why not to2.She can help me _____ my English.A.for B.at C.from D.with3.It's bad for you,_____ do it again.A.don't try B.try not C.try not to D.don't try to4.What about _____ an English newspap ( )1.The boy on ______ left is our monitor.He is good at playing ______basketball.A) a…the B) the…aC) the…/ D) /…the( )2.Yesterday one of my cousin’s friends asked ______a strange question which puzzled my for a long time.A) I B) meC) my D) I don`t have ______to buy that kind of computer .It`s too expensive.A .few money B.enough money C.much too money D.many money Maybe you could _______.A.call up him B.call him up C.called him up D.calling up himCould you give me _____ to eat I`m hungr 英语翻译我们认为他不可能解决这个问题 英语翻译1.空余时,喜欢听京剧.它历史悠久,非常有趣；2.有时做志愿者,教中国小孩学英语；3.6月5日（世界环境日World Environment Day）和其他志愿者一起参加了“We Can Help”活动；4.中国人非常友 英语 英汉互译（3） (24 14:44:32)1.记得做过某事2.记得去做某事3.4.have a fight with sb5.take part in I got close enough to hear them speaking Chinese ,and I said 'Ni Hao,”just as I ___ in China.A mustB mightC canD should ___ who want to do swimming may sign up here.A Any personB ThoseC AnyoneD These ___ Mr Green called u just now but he didn't tell me his full name for __ reason.A Some ; since aB A ; for someC A certain ; because of aD The ; because of some -Have u paid?What's my share of the bill - ___ .It wasn't very much.A Don't worry about itB It's my shareC None of your businessD It's up to u The medicine ___ wonders for cancers.A madeB didC workedD carried