八年級人教版數學下册北大綠卡數學答案

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1. 北大綠卡人教版數學七年級下册30頁12題答案是什麼？
2. 學長，北師大版的.
3. 問道sat數學題 The median of a list of 99 consecutive integers is 60.What is the greatest integer in the list？
4. 3X^2+XY+Y=15求XY.
5. 設x，y均為正實數，xy=8+x+y，則xy的最小值是
6. 已知x，y均為正實數，且xy=x+y+3，則xy的最小值為______.
7. 規定：x△y=3x-2y，已知x△（4△1）=7，求x的比值
8. 規定：x三角形y=3x-2y，已知：x三角形（4三角形1）=7
9. 根據規則x△y=3x-2y，則x△（4△1）=7，求x=？（四則運算法則不變）
10. 關於x y的方程組x+y=a，3x-2y=7，x＞y，則a應滿足什麼條件
11. 誰有初一下英語的北大綠卡，我不是抄答案，是寫完了對答案，切切！
12. 北大綠卡八年級上册英語答案（完形填空） Jeff is very __1__at math. Kate，is not good aiis.Jeffoften help her __2__hermaths.Onenigh Jeff and Kate __3__out their exercise-books and began __4__theirlessons.SoonJeff finished his homework，but his sister __5__.She couldn't work out the last probiem.“Let me __6__you，“said Jeff.”No，please __7__.I'll do it __8__，“saidKate.Shethought and thought，and __9__an hour she worked itout.She__10__very tired，but very，very happy. 1. A.well B.good C.better D.best 2. A.to B.in C.with D.of 3. A.make B.takes C.took D.to take 4. A.make B.to make C.do D.to do 5. A.don't B.can't C.didn't D.finishedn't 6. A.help B.to help C.to call D.say to 7. A.don't B.didn't C.can't D.couldn't 8. A.himself B.myself C.herself D.by me 9. A.before B.behind C.after D.in 10.A.be B.is C.was D.were
13. 北大綠卡八年級英語上Unit9答案
14. 英語翻譯我需要將以下翻譯成英文〜；再請幫忙〜；您好：感謝你們提供了此工具，現時我試用後覺得不符合需求，囙此我需要終止服務，再請幫我進行已停用. 另外想確認，因為試用未滿30天，是否不會收取任何費用？
15. 英語翻譯 1、一個想法在我腦中逐漸形成，儘管我知道實現它非常困難（far）2、在這樣危險的情况下，警詧必須耐心地處理與群眾的關係（relationship）不要用英語軟件翻譯，用括弧中的詞.
16. 英語翻譯如題，分別是第4課（The Middle-class Blacks Burden），第8課（The Killion），第11課（Human Intelligence Isn't What We Think It is），第14課（Robert Frost's Favorite Poem），第17課（The Winner Instinct）. 需要這些課文的中文翻譯. 是上海外國語教育出版社版的
17. 英語翻譯；
18. 英語單選 what do you want to be when you grow up？（）engineer like my uncle. A an B a C the D \ Could you please help me take out the trash？yes，of course I（） A、can B could C sure D do Could you please tell me（）for Hawaii？The day after tomorrow. A\when are you leaving B when did you leave C when are you leaving D when you left I don't know if he（）here tomorrow. A will come B comes
19. 單選英語急 How many lives were lost in yesterday's car accident？ ___，and it was pretty lucky nobody，none，no one，not anyone.
20. 英語單選 light travels very fast，_____300000 kilometers a second. at in to about the patient grew _____every day. weak weakly weaker more weakly there's one boy there，and 5 minutes later i saw ___. the other some other another other student