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解方程和计算! 英语翻译 光电子的最大初动能只与入射光的频率有关,而与入射光的强度无关.解释一下 公式 双曲线x平方/10-y平方/2=1的焦距 已知双曲线C:x2/a2-y2/b2=1焦距为10,点P(2,1)在C的渐进线上,则C的方程 你饿了没有?怎么翻译英语 1.改同义句:My mother is never free every week./Every week is ___ ___ my mother at home.2.We usually （play soccer) on weekends.对括号提问___ do you usually ___ on weekends?我父母根本不让我上网（完成译句）My parents do___ go I don't think your English is better than ( ).A her B hers 已知3xy的2a-1次方与-9xya=2是同类项,求a的三次方-a的值?2.已知2分之3x-8与3分之x+1是相反数,则x的值是多少?3.若x,y满足x+2的绝对值=(y-3)二次方=0,则xy的值是多少?说明怎样求出来的 I think this paiting is better than ____ on showI think this paiting is better than ____ on show.A.another B.other C.others D.the others我觉得是D.你高见呢? 分解因式（a²+1）²-4a² 3xy的0.5*(m+1)次方与-0.5xy的-2+m次方是同类项,则m= 同义句转化 1.When his mother was ill,he had to take care of his sister at home.When his mother was ill,he had to（ ）（ ）his sister at home.2.A boy is eight years old.He can play chess very well.（ ）（ ）boy can play chess very well.3. 用c语言编写一个程序,输出下列雪花图案! 如果你是海鸥你想对老人说什么?300字 求一篇《海鸥老人老人,我想对您说》,可以以海鸥的身份写,也可以以学生的身份,400字以上, 社会犹如一条船,每个人都有掌舵的准备 这一名言的含义 易卜生的名言有什么10个,现在就要啊!啊啊啊啊啊啊啊啊啊啊啊啊啊啊啊!明天就交作业了1! 谚语 例如：• 社会犹如一条船,每个人都要有掌舵的准备.—— 易卜生快,什么谚语都行,急用 社会犹如一条船,每个人都要有掌舵的准备. —— 易卜生评价一下,谢谢不要抄百度上的回答，我认为不好 The Birthday Surprise Jane often goes to school early.She likes to talk to her friends before clas1.( )Jane ges to school early__________.A.to see the dogsB.to say something to her friendsC.to visit her friendsD.to play games with her friends2.( )Jan 社会犹如一条船,每个人都要有掌舵的准备.易卜生 的英文 1.5X8+5x=27 6x除0.9=0.8 验算 1500-4000的机械手表什么牌子的好?男表、 想买1000快钱左右的机械手表,有哪个比较好的牌子啊? 机械手表价格在1500内,哪个牌子好 最好带三防?海鸥怎么样?怎么看是真货? 有一辆火车,经过一座桥.从上桥到全车都离开桥一共用了1分钟,从车尾上桥后到车头离开桥共用了40秒,火车的过桥速度是多少? x+0.65=1.35 3.6x=21.6 要验算!请写规范点 40/(-8)/(-2) 有理数除法 好人好事有哪些? 请问,4(6x+3)=60的方程怎么写,要检验. I ofen have supper at seven改成一般否定句