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化简根号X平方乘以Y平方加Y四次幂等于说明白点 已知：y 夏练三伏冬练三九的意思所有的意思 完整一点 函数y=1/（x-1）的图像与函数y=2sinx（-2≤x≤4）的图像所有交点的横坐标之和等于（ ）A 2 B 4 C 6 D 8 write the comparative form of the following是什么意思?急 Write the plural form of the following words 跪求汉语意思 急 Write the opposite form the following words.的意思是Write the opposite form of the following words.1.big____2.tall____3.bad____4.low____5.cheap____6.easy____7.boring____8.safe____9.old____10.cool____11.hot____12long____ write the comparative and superlative forms of the following words写的比较级和最高级形式下面的话old ( ) ( ) \ heavy ( ) ( ) \ fat ( ) ( ) \ popular ( ) ( ) \ busy ( ) ( ) \ quickly ( ) write the smple past form of the following verbs 是什么意思 一个圆锥形玉米堆,测得底面周长是15.7m,2m,如果每立方米玉米重800kg,这堆玉米多少kg 1.One recent prediction is that within the next 50 years,it possible to link the human brain directly with a computer.A.is B.will be C.would be D.was2.These interesting articles were written by Anna,who _ for our magazine these years.A.wrote B.would write the opposites of the following words write the comparative from of the following 、 一道关于正弦定理或余弦定理的数学题目……在△ABC 中,a,b,c分别是角A ,B ,C 的对边,若a＝√3,A =60゜,则b＋c的最大值 时针和分针在12点重合,几分钟后第一次垂直急 高中英语题希望详解谢谢了1）.(1)Do you know ________ John is getting on well with his studies? (2)Do you know _________ John is getting on with his studies? A. how B. with C. what D. that这道也是啥都不知道麻烦说详细点 冬练三九, 冬练三九,夏练三伏的伏是啥意思? 3x-1\4y=15 y=(用含有x的式子） 一个长方体游泳池水深1.8M,池底面积为1200㎡.（g取10N每KG求大神帮助一个长方体游泳池水深1.8M,池底面积为1200㎡.（g取10N每KG） （1）池底受到水的压强 (2)池底受到水的压力 2+8+18...+200= 简便计算 2+4+8+10+.200怎么用简便计算 4+6+8+···+200+206的简便计算 电子体温计准还是水银体温计准?都是用在腋下的 余弦定理的一道数学题.求解 初一地理 帮忙做几道题!（急）1、在有经纬网的地图上,纬线指示（ ）方向.2、如果你面向南面站立,那么你右手所指方向是（ ）.3、一个人站在南极点上,他的前后左右都是（ ）.4、51° 英语翻译 tell them some information about Shanghai这句话有没有语法错误,错了怎么改 Some of my friends are intersted in science ,but none them can tellA when UFOs will appear next timeB why do horses know the way C where was this kind of plant foundD how do elephants communicateBCD除了不符合语境外,语序是否正确,若错 Tell them what you are thinking now还是tell them what are you thinking now 怎么回答Can you tell some custom differences between the U.S and China? 小时的符号是什么