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人教版习题21.1.√24*√27= 2.√6*√15= 3.√18*√20*√75= 4.根号下三的三次方乘以4的三次方乘以5 若方程2x-mx+2=0有两个相等的实数根,试求方程mx+x-m+1=0的根已知集合{2a,a -a},则实数a的取值范围是什么？这个怎么解答 《赤壁》/《水调歌头》/《山坡羊`潼关怀古》/《饮酒》的名句赏析和情感~ 高中必修一数学题关于函数的3道1.已知函数f（x）=ax^3+bx+3a+b是定义在[a-1,2a]的奇函数,则a= b=2.设y=f（x）的定义域为{x不等于0,x属于R},且对于任意实数X1,X2,都有f（x1乘x2）=f（x1）+f（x2）.（1）求 用配方法求下列二次函数的最大值或最小值.😝过程 高中必修一数学函数证明题,已知一次函数f(x)=ax+b与二次函数g(x)=ax^2+bx+c满足a>b>c,且a+b+c=0.求证:函数y=f(x)与y=g(x)的图像有两个不同的交点. 这个方程怎么解? 初一新生该有哪些心理准备 形容人多才多艺的成语快 怎样做初一新生? 两个工程队要修一条长110米的路,5天修完.甲队每天修的长度是乙队的1.5倍少3米,甲乙两.两个工程队要修一条长110米的路,5天修完.甲队每天修的长度是乙队的1.5倍少3米,甲乙两队每天各修多少 《我心中的秋天》,600字作文, 两对合修一条铁路长1500米,甲队每天修150米,求乙队每天修多少米 曲面倒圆角与实体倒圆角的区别? 甲乙两辆列车相向而行,甲每小时行驶90千米,车身长150米,乙每小时行驶108千米,车身长125米,两车车头到相离许多长时间两车从车头相遇到车尾相离多长时间 用方程 用配方法求下列二次函数的最大值或最小值 （1）y=x^2+10x-7 （2）y=1/5x^-2x+3 函数f(x)满足{（1/2)^x ,x≤1 log以16为底的x,x>1 则满足f(x)=1/4 的x的值为 求下列二次函数的最大值或最小值（1）y=x方-4x+7 (2)y=-5x方+8x-1 acca F2的一个选择题,A company determines its order quantity for a component using the EOQ model.what would be the effects on the EOQ and the total annual ordering cost of a decrease in the annual cost of holding one unit of the component in sto ACCA F2的一道预算题目Unemployment numbers actually recorded in a town for the second quarter of the year 2000 were 4700.The underlying trend at this point was 4300 people and the seasonal factor is 0.92.Using the multiplicative model for seaso ACCA 真祖a large store selling office furniture stocks a popular chair for whichthe following information is available:annal demand:4,000 chairsmaximum inventory:75 chairsminimum inventory:20 chairslead time:5 daysre-order quantity:100 chairswhat's 求ACCA近年F2真题只有模考题啊，acca官网这些也有的…… 中国最大的山是哪座山? 如图所示,已知抛物线y=ax^2+bx+c与x轴的负半轴相交于A,B两点.与y轴相交于点C,且OB=√3,CB=2√3,∠CAO=30°,求该抛物线的表达式及其顶点坐标. 形容人多才多艺成语有哪些? 请问形容人多才多艺成语有~ 用绳子贴在半圆弧的面上拉放在圆弧上的物体,拉力与圆弧半径有关吗?与什么有关? 为什么两个矩阵相似的必要条件是:∑aii=∑bii ACCA F2某细节问题An organisation operates a piecework system of remuneration,but also.guarantees its employees 75% of a time-basedn rate of pay which is based on $19 per hour for an eight hour working day Three minutes is the standard time allow 新概念英语第一册复习重点要从90课以后的就行了!~ 重点句型!~ 麻烦!了!~ 怎么才能成为一位优秀的人 新概念英语总复习 17.I have ___________(buy) this refrigerator on installments.18.She made _________(many) mistakes than Sandy did in the exam.19.Your work is much _______(good) than it was last week.五． 用much,many,few 和little 填空1.T