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《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 如何成为一个优秀的人” 怎么样复习新概念英语一册 为什么我们要成为一个优秀的人 速The hospital nearby has just got a,you'd call it,er...a scanner.A.that B.which C.what D.how 为什么选D?这不是定语从句吗?The hospital nearby has just got a,_____you'd call it,er...a scanner A为n阶矩阵,A的最小多项式为λ∧(n-1),为什么得到A的不变因子为1,1,……,λ,λ∧(n-1)? 如何证明n阶矩阵的特征多项式等于其（特征矩阵）不变因子的乘积北大《高等代数》第8章、第4节,P341上说：n阶矩阵的特征矩阵的秩一定是n,因此n阶矩阵的不变因子总是有n个,并且,他们的乘 ACCA F2 菜鸟提问A manufacturing company uses 28000 components at an even rate during the year.Each order placed with the supplier of the components is for 1500 components which is the economic order quantity.The company holds a buffer inventory o 速进,初中英语完形填空~A few B a few C many D most 已知抛物线y=ax+bx+c交与X轴正负半轴A B两点 与Y轴交负半轴与C若OA=4 OB=1 角ACB=90° 求解析式 速求 ACCA F2看书中遇到以下问题,百思不得其解,谁知道呢?万分感激!1.第3章 cost behaviour 3.4 example 里说As the fixed costs for 14500 square meters will include the step up of $5000.但是题目中说超过14000 square meters 的ste