纪念陵园

加工一个零件的时间由原来的8分减少到现在的5分,工作效率提高了百分之几?算式? 谁知道The Earth is caught in the middle of an intergalactic war between two races of robots, 急需13道六年级奥数题!~~~求助!大家来帮帮忙@@ The Earth is caught in the middle of an intergalactic war between two races of robots,的中文意思 13.甲、乙两人行走在公路上,甲走的路程比乙多25%,乙所走的时间比甲多10%,甲、乙两人的速度比是多少? world war one -chinahow did china involved in ww1?what are the effects of ww1 to china?political,enconomical,govertmental etc.did china furthr loss land?whatever u know7-8 sentense.pls answer in english..as long as it makes sense and express the idea 这道题应该选哪一个,到底要保留几位小数 甲、乙两种商品的成本共250元,商品甲按30%的利润定价,商品乙按20%的利润定价,后来应顾客要求,两种商品按定价的9折出售,仍获利33.5元.问：甲种商品的成本是多少元? Statement of Purpose 和 Personal Statement 的区别是什么? 已知函数f(x)=ln(x+1)-ax(a∈R).当a=0时,过点P(-1,0)做曲线y=f(x)的切线,求切线方程. prepare a statement of the variances,state five possible causes of an adverse labor rate varianceexplain the possible reason for inter-relationship between materials variance and labour variance 圆的面积怎么算不要公式,要举例子怎么算,如：6厘米直径的园的一半怎么算圆周率取几位，给算式 有大、小两个圆,大圆直径比小圆直径多28%,那么小圆的面积比大圆的面积少百分之几?（保留一位小数） （1）要使下列方程5x+3y=4m,4x-5y=8m-3,6x-2y=9m同时成立,求常数m的值（需要过程答案）（2）解方程组x/3=y/4=z/5 ,x-2y+3z=30（需要过程答案） 224 14如图,ABED与三角形DEC的面积比为6：7,BE和EC得长度分别是多少厘米?http://hi.baidu.com/%C1%F5%CA%AB%CA%ABs/album/item/3a7e191b50a78a834bedbce4.html在这里 wo de zhu ce biao bei gai le ,dao chu dou shi luan ma ,wo gai zen me ban a wo sm dou bu zhi dao wo ba ke le dou jie le ni zi dao 翻译成中文die er :wo zhi dao ,wo fa de xin xi ni dou kan jian le wo mei ci dou zhao bu dao lv pen you zen me ban 若函数y=根号下（kx平方-6x+k+8）的定义域为[-7,1],求实数k的值 小学六年级数学题6—13题 科技城太阳能汽车电池研究所最近开发了一种新型汽车电池,它的太阳能接收板面积为8m^2,正对太阳时能产生120V的电压,并对汽车电动机提供10A的电流,已知汽车电动机的直流电阻为4欧姆,而太 初三有物理竞赛吗 k= 时,多项式x平方-kxy-3y平方-1/3xy-7中不含xy项 japan is the_ of a country. The head office of the bank is in Beijing,but it has all over the country.A.companies B.branches C.organizations D.background the _______(mean) of "nation" is "country" 28.I think the headmaster is a rigid man who lacks of a ____ of humour.A、 air B、 touch C、 gas D、 sense 当k=____时,x²-kxy与y²+3xy-5的和不含xy项十分钟内速求好评 当k=什么时,x2-kxy与y2 3xy-5的和中不含xy项 I'm going to visit my aunt this Sunday.Do you want me to __ any messagesA.pass onB.pass byC.leaveD.carry