1.25x0.7x0.8简便计算

若函数y=负x^2+2ax+1减a在区间[0,1]上的最大值为2,求a的值?急 May manny fortunes find their way to you . they tried to find as many materials as possilbe为什么选择with which to build their houses?A that they could build their houses B they were able to build housesC with which to build their houses D by which to build their houses How many things can find tind their owners? 校训理解民以为济,和以为生.什么含义? 有两放羊的一个在山上放一个在山下放,一天山上的对山下的说“你给我一只羊我就是你的两倍”,山下的对山上的说“你给我一只羊我们就一样多”有知道的告诉我下 两个人放羊,山上的对山下放羊的说,你给我一个,我比你多一半.山下的对山上放羊的说,你给我一个咱俩一样多.问山上几个羊?山下几个羊? I'm yummy to eat I'm red and round.I grow on the tree.My name begins with the letter as "active".这个英文谜语的答案.它的翻译是：我很好吃.我是红色和圆形的.我长在树上.我的名字的开头字母为“积极”.我是谁? 已知A与B互为相反数,X与Y互为倒数,M的绝对值是5求M*(A+B)+X*Y-2M的值 若a的倒数为-5,则a的相反数是() Matlab求助：怎么把程序中的点连成线m = 4000; g = 10; L = 4; Peak_force_min = inf;Peak_force = 0;for delta = 40:0.5:85for theta = -20:0.5:80c2 = (2.2^2 - 1.2^2)/(cosd(delta - 20) - cosd(delta + 80));c1 = 2.2^2 + c2*cosd(delta +80);a = ((c The child is () his father.A named as B called as C named after 1.9998*9997/9998= It was at the school__was named after a hero__he spent his childhoodA.which,thatB.where,whereC.that,whereD.which,where 一张世界地图上面画了一些线,请问代表什么?如图： He did nothing at home ( ) watched TV all day longA.and B.but C.as D.until 马六甲海峡位于什么航海线 His parents and he walked home quieyly,saying nothing.改为同义句 马六甲海峡往西航行,要通过什么地区?. 马六甲海峡是___洲、___洲向东航行到各港口最短航线的必经之地. 清风手纸是哪里产的 由第六行不懂啦,希望可以逐行解释一下,尤其是第十二行 为什么“if k>p”答得好我会再加分 在线等 sin²10°+sin²50°+sin10°sin50°求值!各位童鞋们，我也知道可以用计算器算出来，，，，，所以我要的是过程，在无计算器、无数据查询的情况下，用最简便的方法算出来。谢谢 sin^2 10°+ sin^2 50°+ sin10°sin50°计算 , 蔡依林的粉丝叫什么?JOLIN的粉丝 which made his fans very sad为什么用whichMichel Jakson ,a famous pop star ,suddenly died ,______made his fans very sad.A .which B .whom C .that D .whether正确答案是A 但我觉得C 好像也是正确的 蔡依林 的 粉丝 叫什么 There new house is behind the tall building 哪里错了? VFP X=X+Y Y=Y+2程序里有这个语句 X=X+Y Y=Y+2在VFP语言里怎么解释? 如图,在矩形ABCD中,AD=5,AB=4,点E、G、H、F分别在AB、BC、CD、AD上,且AF=CG=2,BE=DH=1,点P是直线EF、GH之间任意一点,连结PE、PF、PG、PH,则△PEF和△PGH的面积和等于_______. x=76543y=0do while x>0y=x%10+y*10x=int(x/10)enddo 求内存变量y的值（76543） 刚才试了,那不等于x/10,另外y地值错了,算了下,y=34567 最好能解释下这命令的含义 VFP中,X="12345",Y="45",Y$X结果是?