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How many roads must one man walk down ,before they call him a man .fan yi xia How many roads must a man walk down,before we called him a man 在三角形ABC中,b^2-2c^2-bc=0,a^2=6,A的余弦值为7/8,求三角形面积. "How many roads must a man walk down Before you call him a man? How many roads must a man walk down before you call him a man? How many roads must a boy walk down Before you call him a man? how many men （）the Pizza Palace?（enter）中间填过去式还是原型? how much were the two tickets?进行回答 how much is the pencil?（two yuan）根据提示回答 紫外线老化试验箱多少钱 紫外光老化试验箱安装场所必须符合的条件 抛物线y=2(x-3)的平方-5关于x轴对称的抛物线解析式为 请教一道概率论的题已知独立的X,Y都满足标准正态分布,求E(X^2/（X^2+Y^2）) 如果直线Y=-2x-1与直线Y=3x+m相交于第三象限,请确定实数m的取值范围 如果直线y=-2x-1与直线y=3x+m相交与第三象限,请确定实数m的取值范围 求第二问.答案是（2,-1）, 诗两首 如何理解 而那过去了的,就会成为亲切的怀恋 这句话的含义 第二问1、2题. 而那过去了的,就会成为亲切的还念.的含义 第二题1、2问的解答过程.谢谢! 工程塑料适合买哪款紫外线老化试验箱 我是自学初学者,关于一道十六进制的表示方法不知道怎么计算出来的0x10表示十进制160x14表示十进制200x20A表示十进制5220xF00F表示十进制61455A和F表示十进制10和15其中0x10代表十进制数16；0x14=0x1 如果直线 y=-2x-1与直线y=x+m相较于第三象限,请确定实数m的取值范围.在线等 若直线y=-2x-1与直线y=3x+a相交于第三象限内一点,求a的取值范围 10题1,2问, a+1/a=√10 问a－1/a=? 要过程 1/(2*10^5)^2要过程哦 谢谢啦 2^13×（1/2）^10 [10^(1/2)-20^(1/2)]^2 1、自从18岁以后,她在经济上就独立了.She has been ____ _____ _____ since 18 years old.2、我一看见他就知道他是那家饭店的经理._____ _______ I saw him,I knew he was the manager of the restaunant.3、她一直在一个咖 2.The Beatles,___D___ many of you are old enough to remember,came from Liverpool.A．what B．that C．how D． as 这个答案可不可以换成 which这题的翻译是什么啊？为什么不能换啊 速求英语题答案!1.We can surely overcome these difficulties __________ we are closely united. even if as if as long as as good as 2.The rice crop was not much __________ as anticipated. injured hurt harmed damaged 3.They were worried lest thi