书店运来一批图书第一天卖出的是总数的百分之30第2天卖出总数的百分之35已知第2天比第一天多卖出25

第三题第五题, 第27题为什么不能是A? 如图,直线y=kx（k>0）与双曲线y=2/x交于A（x1,y1）,B（x2,y2）两点,则x1y2+x2y1的值等于 This kiss is love for because I love you So this is 2x+12.5%（2/3+0.5） 3-5/2x=0.5x等于几 f（x）＝根号1－x²＋lg（x－1）的定义域是（　　） 运一堆煤,已经运了2：5如果在运50吨,则剩下的煤比已运的少30吨,这堆煤原有多少吨?应用题的解题思路 定语从句怎样找先行词?能说说有什么方法做定语从句能准确不错么?自己总结的也行如题 定语从句(找出错误并改正)1.I can show you to the factory where we visited last week.2.The person with who you are talking is a student of Grade Two.3.The house in that we live is very small. 定语从句是个问题 She knew very wellablut the young man whom she had worked for a long time.哪错了 要怎么改 为什么 呼吁社会树立终身学习的观念有什么意义? 关于定语从句几道题is thsi museum ( )they visited yesterday?is this the museum( )they visited yesterday?is this museum ( )they stayed yesterday?is this the museum ( )they visited yesterday?is this museum( )you visited yesterday?it was the mus 急,定语从句的几道题1,My sister asked me ___toy car__?A,who.this was B,whose.this was2 DO you know the girl ___wears glasses?A,who B,whose C,whom3 Have you read a book ___author is Mark TwinA who B which C whose4 She likes books that ___inter 几道有关定语从句的题1)This is the school____the sports meeting is held every year.2)I'll never forget the day____I went to meet you at the airport.3)The trees,the branches ____are almost bare,is a very old one.第三个有选项 A where B o 几道定语从句题that ( ) we call a rose by any other name would smell as sweetA what B that C which D when26.( ) touching in O.Henry's stories is the gallantry with which ordinary people struggle to maintain their dignityA most isB it mostly isC 有关定语从句的几道题Review adjective clausesExample One phone wasn't ringing.The other phone was ringingQuestion:---which phone did Sam answer?---Sam answered the phone that was ringing.question:---which phone didn't he answer?---He didn't 终身学习理念是谁提出的 三角形重心为G,三个顶点分别为A(x1,y1)B（x2,y2)C(x3,y3),求证G点地坐标为三角形重心为G,三个顶点分别为A(x1,y1) B（x2,y2) C(x3,y3),求证:⑴G点地坐标为（x1+x2+x3／3,y1+y2+y3／3）⑵向量GA+向量GB+向量GC=零 有什么著名的化学试剂品牌目前我所知的就国药和那个太阳牌的感觉还不错,国外的也可以! (2)解不等式怎么解,是指数函数 指数函数解方程和解不等式 指数函数不等式计算. 教师为什么要树立终身学习的观念 请帮忙解答一下这个题,麻烦说一下具体的解题思路,这对我很重要,谢谢 解下列各不等式：（0.01)^2x-1小於等於（0.001）^x 蝙蝠的耳朵有什么用? 在线等……跪求乌鲁木齐市地区2012年高三年级第一次诊断性测验 三角形ABC,A(X1,Y1)B(X2,Y2)C(X3.Y3),能求内心坐标吗?写出过程 乌鲁木齐地区2012年高三年级第一次诊断性测验生物答案 什么是生物试剂