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男人玩消失表明什么 圆明园有哪些宝物飘落?飘落在哪里? 经过点（2,0）且于坐标轴围成的三角形面积为2的直线解析式是 属羊的人和属虎的人配吗? 小明到商店买了2瓶啤酒,啤酒瓶的底面直径是7厘米,售货员将2瓶啤酒捆扎在一起,捆4圈至少用绳子多少厘米?（接头处长度不计）求算式and答案 妈妈让小明帮忙去买啤酒,1个空啤酒瓶可退0.5元,单买1瓶啤酒2.9元,小明退了5个空啤酒瓶,买了7瓶啤酒,需要多少钱? 已知椭圆方程x²/4+y²=1,求次椭圆的交点和离心率已知椭圆方程x²/4+y²=1,求次椭圆的焦点和离心率,若此椭圆左右焦点为F1,F2过F2做X轴的垂线叫椭圆与AB两点,求△ABF1的周长和面积 过P（-1,-2）作圆x^2+y^2-4x=0的切线,求切线方程 一些英语句子求解答In his free time,he always visits the __(able) kids in the hospitalWhen I see the animals,I find the look of joy on their __(own) facesJohn is thinking about what he can do for __(relax)After six month's ___(train),Luck 填制记账凭证时发生错误,应当A采用划线更正B采用补充登记法C从新填制D采用红字更正法.其中那个答案正确 下列各项错误,应当用划线更正法予以更正的是 用划线更正法更正错误时（多选）A应用红笔划线,并将错误数字全部划销B用蓝笔在错误数字上方写上正确数字C用红笔在错误数字上方写上正确数字D由更正人员在更正处盖章以示负责 如果使用划线更正法更正后发现又写错了怎么办? 直线y=-2x+b与两坐标轴围成的三角形面积为3 （1）求这条直线的解析式 （2）求原点到这条直直线y=-2x+b与两坐标轴围成的三角形面积为3（1）求这条直线的解析式 （2）求原点到这条直线的距 已知：a,b,c是三个互不相等的正整数求证：a^3-ab^3,b^3-bc^3,c^3a-ca^3三个数中,至少有一个数能被10整已知：a,b,c是三个互不相等的正整数,求证：a^3-ab^3,b^3-bc^3,c^3a-ca^3三个数中,至少有一个数能被10 一段路已经修了36千米比全长的60%多九千米这段路全长多少千米? 已知n个整数 x1,x2,…..xn,以及一个整数k (k a+b+c=1则 ab+bc+ca的最大值为 划线提问(只要是懂英语的人都应该会做的,帮帮我吧）Bruse is (making a model plane).My parents are (cooking)in the room.The man is mending (a broken desk).The women are washing (their clothes).Lucy is counting (the birds)under the 1 It's so different a question.I think he will have problems_______.A work it out B working it out C in working out it D work out it 2 These aren't enought chairs.Would you please ________ ones here?A to bring another three B bring more threeC to mak it's so diffcult a question.i think he will have problems （ ）.A work it outB working it outC in working out itD work out it 台湾话 如何科学地将一个区间分成几段?一个区间,例如：【2,3】,如何将他分成几个区间,怎么样的分法比较科学? 根据句意,用适当的情态动词填空1.-is Mr Wu in the libray?-no,he____be there.he is waiting for me at the school gate.2.my mother is ill.i am afraid i ____stay at home.3.____you tell me the way to the zoo?4.Peter ____come with us tonight,bu 你能用转化的方法求出下面图形的五个内角和吗?先画一画,再算 根据句意或情景内容,用适当的情态动词填空.1.- we play football now?-good idea!2.-When we meet?-Let's make it half past nine tomorrow moring.3.-Keep off the grass.We walk on it.4.-That sweater be mine.I put it there.-No,it be yours.Yo 如图5.1.3-9,角B和角D是同旁内角吗?为什么?你能用直尺画出角B的同旁内角吗? 如图,角B和角D是同旁内角吗?为什么?你能用直尺画出角B的同旁内角吗?相机不太看的清,左上角是A,左下角是E,右上角是B,右下角是D,最右边是C,等下有家教来我们家上课.他给我留的作业. 急求一套人教版新课标小学二年级数学复习题 Who was the first man to climb onto the top of Mount Qomolangma?When did he do it? 有没有人教版的小学6年级上科学试题 比较简单的, Who is the first man ti climb onto the top of Mount Qomolangma?When did he do it?用英语回答