中国有多安全

一道sat数学题不是说 x+9-2x=180吗 有OG第二版的亲们看下第六套第四部分第17题那个几何, If each term of the sequence (a1,a2,.,an) is either 7 or 77,and the sum of the sequence is 350.Which of following could be the value of A 45 B 42 C 40 D 39 E 36 1.几个小立方体黏在一起成一个大立方体6个面被涂成红色,if exactly 27 of small cubic blocks that make up the large cube have no paint on them ,how many cubic blocks make up the large cube?125} 2.in a sequence of nmbers,the first n 一道SAT数学题,要说出题目的意思和答案详解the first of a sequence of numbers is 1.If each term after the first product of -2 and the preceding term,what is the sixth term of the sequence第一题答案是-32 是对的，这里还有 if 3 more than x is 2 less than 9 ,what is the value of x if 4 bags of flour with an average (arithmetic mean)weight of 15pounds are put onto a shelf with 45-pound bags of flour ,what is the average weight ,in pounds of all 8 bags on the shelf a cert 2010年一月sat数学题有两道数学题我觉的自己不是很清楚,一个好像是讲织毛衣的,有几个knot,还有几个其他什么的,另一个是一个五边形要算什么的有哪位还记得题目的可以讲讲吗有人定了一月 sat 2009年1月 section2数学第18题http://zhidao.baidu.com/question/189525982.html?an=0&si=1# 数学题一道,SAT的数学题SAT09年1月真题section2 的8题.排球比赛,有4队参加,每队与其它3队中任意两队打比赛.在这次的排球比赛中,一共要打多少场比赛?为什么? sat数学题一道at a certain high school there are 9 students on the math team and10 students on the acdemic team. there are total of 11 students who are on the exactly one of the teams . of those students who are on the math team, hoe many also on sat一道数学题On a square gameboard that is divided into n row of n squares each,k of these squares lie along the boundary of the gameboard.Which of the following is a possible value for A.10 B.25 C.34 D.43 E.52不明白题目在说什么哟… SAT的一道数学题First, 3 is subtracted from x and the square root of the difference is taken. Then, 5 is added to the result, giving a final result of 9. What is the value of x?这道题我做对了 答案是19 但是什么叫the difference is t 一道SAT数学题.if 4 bags of flour with an average weight of 15 pounds are put onto a shelf with 45-pound bags of flour,what is the average weight,in pounds,of all 8bags on the shelf?(A)5(B)10(C)15(D)20(E)25答案是10,但我怎么算都不是10.. 请问一道SAT数学题A 6-sided number cube,with faces number 1 through 6,is to be rolled twice,what is the probability that the number that comes up on the first roll will be less than the number comes up on the second roll? 问几道SAT概率数学题没学过高中概率,希望讲的详细一些.1.If p,r,m,n,t and s are six different prime numbers greater than 2,and n=p*r*s*m*n*t,how many positive factors,including 1 and n,does n have?2.If someone throws a dice twice,o In the games that the Bengals played against the Lions,the Bengals won 2/3 of the games and lost 3/4 of the other games.If the teams tied in two games,how many games did the Bengals play against the Lions? SAT数学题啊各种求解释和解答 3,8,18……In the sequence above, the first term is 3 and each term after the first term is twice the sum of the preceding term and 1. For example, 8=2(3+1). What is the value of the first term of sequence th SAT数学题,有关概率A, B, C, D ,E , F, Ga list consists of all possible three-letter arrangements formed by using the letters above such that the first letter is D and one of the remaining letters is A. if no letter is used more than once in an 英语数学题：The integer solutions of the inequalities about"x" [3(x-a)+2≥2(1-2x-a)] and [(x+b)÷3＜(b-x)÷2] are 1,2,3,then the number of integer pairs (a,b) is ( )先翻译 英语数学题求解~~if x percent of 500 is y,what is y percent of 10x?A.50xB.（x^2）/2C.2/5xD.5(X^2)E.(x^2)/5英语不会求翻译~~附带求详解~~ 奥数题用英语怎么说 一起做数学题用英语怎么说 一道英语数学题A woman arrives at the station at the same time every day.Her husband drives from home to the station to pick her up.They always arrive back at their house at the same time every day,driving at the same speed.One day she arrives 这孩子计算那道数学题费了很大劲的英文句子怎么写 小兵准备买一副滑板和一双运动鞋,付钱时,他把滑板价格上的“0”漏掉了,他拿出74元交款,营业员阿姨说：“你再仔细看看标价,应付182元才对.”请你算一算,滑板和运动鞋各多少元? 在EXCEL表格中我想用一个公式对2个表格有相同条件的数据进行统计怎么做?比如说在第一个表格中有机型：5130,C168,X2,各机型的颜色：红,蓝,灰,绿什么的,5130我有一个订单比如是201105513020 C168订 电子表格中 把两列的数据穿插合并在一列 求公式!闫汉闫汉邓春影秦冬彦邓春影刘金香杨利秦冬彦段亚苓王冲刘金香张金霞赵志华杨利张守辉纪禹段亚苓王丽荣闫庆春王冲郭亚凤于良孔范芹 WPS工作表数值扩展和排除公式?如图,H列和I列是1至10的变量自然数.当K="Y"时,把(H+1)、(H)、(H-1)的值分别填入A,B,C列,同理,把(I+1)、(I)、(I-1)的值分别填入D,E,F列（取个位数）.当k="W" 如何用excel公式标记数独中重复出现的数字如何用excel公式表达：数列A1-A9和A1-I9,当A1在这两数列中遇到相同的数字（意为A1是这两列数中不能重复出现的数,A1是A1-A9&1A-I9中唯一的数,玩过数独的 在EXCEL表格中,对一个表格的数值及符号进行计算,用什么公式?比如在一个单元格中有如下数据（3米*2根+6米+7米+9米*8条+5米*4根）能否在另一个单元格中自动计算结果? 在EXCEL一定范围内查找数值的公式问题我知道用COUNTIF函数,但如果我想要一些比如100个数据.我想查18-21的数据有几个,怎么查.具体公式是怎么写.如在B列有1-100个不同的数据,我想查18-21的数据有 如何在excel表格中将工作表1和工作表2里面的重复数据(名称/数字/金额)将重复的次数提取出来,怎样运用公式.求解如何运用公式快速在上千个名称中找出这2个表格中同名称出现的次数,并提取