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整式的乘除运算(x^2-1/9)(x^2+1/3x+1/9)(x^2-1/3x+1/9) 计算两道整式的乘除(a-b+c-d)²-(a+b+c+d)²,用平方差计算(2x-y+1)²+(2x-y-1)²-2(2x-y+1)(2x-y-1),用完全平方计算只写一道也行呐 有一块纪念碑,上部碑石总质量是100t,要修建在能够承受7×10四次方 Pa的压强的地面上,若下部基石高1m,基石的密度是2.7×10³kg/m³.问此基石的底面积最少是多大? 钢铁是怎样炼成的,作者,主要内容,创作背景,主要思想 第一题是填空题,第二题是应用题（应用题一定要写过程）.1、一个最简分数,分子、分母的积是92,若分子、分母都减去16,得到的分数化简后是三分之一,这个最简分数是（）.2、某车间接到任务 给我一些数学计算题(非选择、填空题) I have nowhere to live 的nowhere是副词,所以后置定语不加in,那这个副词nowhere还做have的宾语知道的就说,to live只是个后置定语整个短语还是副词为主 I was sorry to hear that old man A.had nowhere to liveB.have nowhere to live这里hear sb do sth的用法起作用吗 填空题（应用题）一个半径3厘米,圆心角120°的扇形面积是（ ）?急用! 钢铁是怎样炼成的主要内容及写作特色 钢铁是怎样炼成的写作特点 孔融是孔子的二十世孙,他被曹操杀了诛连全家,那孔子怎么还有后人啊? 孔融是孔子的孙子吗?有什么特殊的贡献或成绩. have nowhere to live中where是什么词性我要提问 如何分辨羊毛,腈纶,涤纶,维纶,棉纶? 涤纶与棉纶有什么区别 哪种质量好 he said to call him Shmitty 中文翻译, 谁帮我修改这首歌的中文翻译 HIM的and love said now我眼中的中文意境H.I.M - and love said no 爱却说不 And love's light blue 爱曾是一道淡蓝的光芒 led me to you, 引领我 from the emptiness that had become my home. 脱 There is______"h" in the word "have". I want to have a home我真的想有个家~不需要多大的地方~为什么现在的房价这么的贵啊!真的是寸寸黄金啊!难道真的要我用一辈子的薪水来买一套小的连自己都住不下的房子么? I still have a little water from home.What do you want,Mum翻译 英语翻译会让你回家还是到时候我会送你回家? 翻译一下句子:haha ,you want then you have get leady we have realized that wild animals are important to us 同义句是 We have realized that wild animals are important to us的同义句 animals and plants have ______(live). Originally,I always have to do,just put the past completely lost Merely i have him lost什么意思帮翻译 Some animals live in the woods.这里的live要不要加S. 英语翻译some one of the students was late for class the morningcan you give me a hand?will you be able to go shopping with me i have lost my book just now这句话语法有问题没?我刚才把书丢了 The price of this computer is too ( ),We can not afford it 括号中填什么