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哪个数字能代替途中的问号, 甲绳长24米,甲绳比乙绳长20%.乙绳长多少米?甲绳长24米,甲生比乙绳短5/4.乙绳长多少米? 甲绳长24米,甲绳比乙绳长20%,乙绳长多少米? 甲地的海拔高度为1800米,乙地的海拔高度为-300米,甲乙两地的相对高度应为( ）米 已知log6(3)=0.6131,log6(x)=0.3869,则x=在线等,速度 猜哑语——桌子上摆着一尊菩萨像和15朵鲜花.要求你在鲜花和菩萨像上做三个动作,表示三个成语.小勇沉思了片刻,就立刻行动起来.他先把所有的鲜花移到菩萨像前,接着他把七朵花横放,将菩 1,1,2,2,3,4,3,5,? 问号处填什么数字?为什么如题 -3lnx=e^(-y/3)还是x 六黑七白不放回地拿,第五次摸到黑球的概率? 12只球,5白7黑,一只一只摸,第七次摸到白的概率? ∫3/(x*x*x+1)dx ∫1/(2+sin x)dx 和 ∫1/(2sin x-cos x+5)dx的解法 反函数的知识反函数的定义,性质及图象 英文译成中文（八118）第一：They like to learn how something works.第二：They learn fast when they're shown how something is done rather than just told.（另外在这里 like,shown,how ,something,rather,如何译?）请指教! 英文译成中文（报16）Sandy worked as a school counselor and she wanted to help people.One day she noticed a girl standing by herself on one side of a playing field while the rest of the kids enjoyed a game of soccer at the other.sandy asked i 已知函数y= f(x)的图像经过定点（0,1）,那么y=f－1(x+1)-2的图像必经过定点------?f－1是反函数的标志. 如图,AB=CD BF⊥AC于点F,DE⊥AC于点E AE=CF 求证：BF=DC 英文译成中文（报6）A young boy went on a train trip,A man sat across from him.There was a small box on his seat.The man looked strange,so the boy didn't want to talk to him.The man took out two napkins,a knife and an apple from the box.He pe 英文译成中文6第一：you are very brave when you face any difficulty.You don't like making friends very quickly,but once you do,it is for life.You are also agood leader.第二：He can't understand our science teacher,Miss ma.劳驾! 英文译成中文 （报38）Season：The competition has always been in the summer months,except the seasonal competitions such as Interneiges ( Intervilles in the snow ) and Interglaces ( Intervilles on ice ).【A Popular Tv show-Intervilles 】 写出几个带有”月“字的成语最好是常见的 英语翻译12.就餐A.Would you like something to eat/drink?What would you like(to have)?Would you like some more fish?Help yourself to some fish.B.(1)Yes,I'd like a drink.I'd like rice and chicken.Just a little,please.Can I have some more soup?It's 谁有数学软件几何画板的视频教程能发给我吗? 如何在PPT2003中插入几何画板文件的视频教程 对数函数中括号里的加减怎么计算?举例.还有反函数是什么请详细解释下. 一点填空题而已~数学大虾们帮帮忙啊!悬赏不是问题~拜托啦1、从一点引出( ),就组成一个角.2、在钟面上,6点钟的时侯,分针和时针所夹的角是（ ）度.3、一个圆形花坛,它的直 11χ+1=5（2χ+1） 怎么写啊 骆驼祥子好词 数学竞赛是不是要有高智商?呵呵, 1.2.3.4.8.32.( ）规律找规律添数! -1/2,1/2,-3/8,1/4,-5/32,()找规律填空, 1/32÷(-1/8+5/4-3/2+1/6) 找规律 1/2,1/2,3/8,（ ）,5/32,（ ）