负数怎么转化成分数

There is a world of [ ][differently] between us.我知道应填difference,但我不明白为什么.按理说,of为介词,介词后面应加副词呀. 沙皇俄国面积大,还是苏联面积大? there's no frd between She(d_____)herself up in a nice cotton blouse last night.kuai!1 She said"This book may be helpful to you.改为间接引语 LiPing asked Jim"how long may i keep this book?"改为直接引语 有一块白布和红布27米,如果白布用去40%,红布用去3米,剩下的白布和红布正好一样长,白布和红布原来各多列出算式并加说明白布和红布共长27米,问白布和红布原来各有多少米? 某厂原有布7200匹,其中30%是白布,其余是红布,后来有购进一匹白布,这时白布占现在总匹数的40%又购进白布多少匹? 某厂原有布7200匹,其中30%是白布,其余是红布,后来有购进一批白布,这时白布占现在总匹数的40%,购进白布多少匹? 有一块红布和一块白布,红布比白布短3分之1,白布长18米,红布长多少米要算式得数 thanks^^i like it..if black will be better 给我翻译一下,动作要快,我就在加分. 谁有< tommorw will be better>这首英文歌曲的歌词啊! 英语翻译 The Game Of Life 歌词 LIFE IS GAME 歌词 I'm interested in ____you have saidA.all that B.all what C.that D.which 英语从句：I'm interested in ____you have told me.A.which B.all that C.all D.that选什么?为什么? 英语翻译 I Hate,You Hate,We All Hate 歌词 I hate you hate to want to tear up all the things you pay翻译成中文 帮忙分析下我的错因 . 谁帮我翻译一下you mast do the homework like the teacher tells you 金钱像一面镜子,照出人们灵魂的丑与美仿上面的题金钱像? 他何时戒的烟 用英语怎莫说 when did he ()() 若a>b,则ac>bc吗?为什么?请举例说明 如果a>bc C一定AB成正比例,A一定BC成正比例,B一定AC成什么比例? 已知道a-b=2 b-c=1 则a^2+b^2+c^2-ab-bc-ac there four children in the picturea isb arec have Mr. Smith that building. His house is the fifth floor.A. in, on B. of, to C. on, in D. to, at 这道题为什么选择A 求详解 do you like watching films?我是大一新生 我们大学英语要口试 要求每个问题 怎么办啊 我英语不好 ____(Mr read) house is near the hill.