钢筋劳务分包合同

1.直线√3х－3y＋1＝0的斜角为?2.椭圆的长轴长是短轴长的2倍,则椭圆的离心率为?3.双曲线方程为х－2y＝1,则它的右焦点坐标为?4.圆（х＋2）＋（y√1）＝5的圆心和半径分别是?5.已知点（3,m） 七年级寒假作业答案(浙江） 七年级寒假作业浙江的 七年级寒假作业的第53页的阅读短文 未学相似三角形）如图,已知矩形ABCD中,AB=2,BC=3,F是CD的中点,束光线从A点出发,通过BC边反射,恰好落在F点,那么,求反射点E与点C的距离.不能用相似三角形，初一没学这个 求函数x-a/(x-1)^2的导函数 x/(1+x^2)是谁的导函数 求函数在给定点的导数 to be done能作定语吗 如果能做他们区别是什么 英语翻译名字叫做：数码时代英语,120词左右.我不知道中文怎么写,希望大家给我一点中文的思路,英文我自己翻译. 都说床前放镜子不好,怎么不好? 谁的导函数是1/x-1 （X－1）³的导函数怎么求? 英语翻译天下之事,不可以力胜,力不可胜,则莫若从众,从众者,非从众多之口,而从其所不言而同然者,是真从众也,众多之口非果众也,特闻于吾耳而接于吾前,未有非其私说者也. 连词成句英语can,the,on,lake,see,boat,you,the the we waited on chair 连词成句 How about____ ____(处理）problems? We should____ ____ ____(对.满意)our lifeThe teacher was able to ___ ____(使振作起来)the class by teaching them to sing lively songs.这几题不会,问答案Don't complain ___about your problems?A.much t I dont know how to __(解决)this problem.2.I feel very__(紧张) 怎么能让跑步在短时间内变快?我跑200米. 1500米跑步规则校运会要跑1500（男）,之前没跑过,不懂规则,求指教.是不是第一圈在自己的道跑?从第二圈开始就可以插入第一道?有哪些行为是犯规的? 我在儿子的卧室里安装了一面镜子,有人告诉我卧室装镜子不好.请问为什么? 卧室里有两面镜子都是落地,相对的,两张床,有一张床还对着外屋一面镜子,把门关上又对着门…怎么调整啊 已知x²-3x=14,求(x-1)(2x-1)-(x+1)²-2（2-x)的值 为什么化学反应前后,酶的化学性质和数量不变,但老师又说酶完成相应反应后被灭活,这两者有点矛盾呀,请高人指教. 英语试卷 固定化酶是否比游离状态酶更方便研究其化学性质?仅是方便半衰期研究吗? no decision ____about any futher appointment until all the candidates have been interviewedA. will be made B. is made C. is being made D. had been made为什么用A 我觉得从句不是用完成时吗 那应该是对现在产生影响猜对啊. No decision ( ) about any future appointment until all the candidates have been interviewed.A.will be madeB.is made为什么选B而选A No decision ( ) about any future appointment until all the candidates have been interviewed.A.will be madeB.is madeC.is being madeD.has been made No decision about any future appointment until all the candidates have been interviewed.A.will be made B.is made C.is being made D.has been made Thanks,may be it is true ．I will remember your words. but, who are you 汉语是什么 DAVID HELPS HIS MOTHER WITH HER HOUSEWORK EVEY SATURDAY FOR ABOUT __.A:ONE AND HALF HOURSB:A HALF AND AN HOUR C:AN HOUR AND A HALF D:ONE AND A HALF HOURS