72.90.9竖式计算

袋鼠的英语怎么读? 某次 数学竞赛共20题,评分标准是每做对一道得5分,每做错或不做一道扣一分,小刚参加了这次竞赛,得了82分问小刚做对了几题? 请问如果是钢板-380*25*300是什么意思? 建筑图中钢板4-300*300/δ=15的δ代表什么建筑图上说预埋钢板4-300*300,δ=15理论重量等于16kg.谁能给讲解一下4、300*300、δ=15分别都代表什么? "-4*300钢板"是什么意思? 请教下,在图纸上,坡度为1.5%,而图纸尺寸为1：300,他们之间有关系么?1.5%是什么意思?施工时该怎么做?请详细回答.谢谢 三原色是指哪三种颜色 三基色哪三种颜色? 三原色由哪三种颜色组成 三原色是哪三种颜色,怎么样混合成其它颜色三原色 如图,在半径为R的圆形钢板上,挖去四个半径为r的小圆孔,求剩余部分的面积S当R=7.2,r=1.4时,计算S的值 （圆周率取3.14） 如图2,在半径为r1的圆形钢板上,挖去半径为r2的四个圆,请列出阴影部分面积S的计算式子.并利用因式分解计算当r1=6.5,r2=3.2时,S的值（π≈3.14,结果保留2个有效数字）. 如图,在半径为R的圆形钢板上,冲去半径为r的四个小圆,计算当R=7.8 cm,r=1.1 cm时阴影部分的面积(π取3.14).（利用因式分解） 依次写出含有与f共同读音的字母（大小写）_________________ 请写出和字母Ii含有相同发音的字母的大小写 含有E字母的读音的大小写字母有哪些? 26个大小写字母中含有B的读音的有哪些7个啊 怎么在字母中间加横线如 3D 中间加一横 怎么在字母上加横线love 加横线的 不是字母上方 也不是下方 是字母身上 就是 字母身上画一道不用教我 你把这个字母打出来就行 love 加一道 现在很多QQ上的签名都有的 色彩的三原色是().().(),用三原色调出的三种间色分别是().().() 色彩的三原色是_____ ______ ______,用三原色调出的三中间色分别是______ _______ _______. 初一英语改错题 和 按首字母填空 帮下忙啊 Sports and games help one to keep health and live longer.People from different country may not understand each other,but before a game together they often became good friends.Many people like 初一英语改错1.He is as taller as I am.2.She is a little thiner than she looks.3.Bob is heavier than any other boys in the class.4.The girls study the better than the boy.5.It is one of the most interesting book than I have ever read.6.He says M 20道初一英语改错1 Your hair is longer than me.2 The weather in Beijing is colder than Guangzhou.3 Picking apples is much better than have class.4 Jim is younger than any student in his class.5 The Changjiang River is longer than all the rivers 初一英语改错题1.There are many bus ways in our city.2.I tried to open the door and failed.3.Will you there tomorrow?4.The police is busy looking for the robbers. 1.对不起,我刚才错拿了你的词典.Sorry,I took your dictionary------- ---------just now.2.他努力了几次要通过考试,最后终于成功了.He tried several times to pass the exam,and------the------he succeeded.3.他在鱼和薯条上 一、根据单词开头完成句子1、Are you s____ that we will go to the b____ for vacation.2、Everyone is s____ when they hear the bad n____.3、Sandy is now swimming in the pool,but is s____ in shemall.二、改同义句Thanks for your help.Th Where do you think_____he _____the computer?A * bought C did buy选哪个为什么? 共10道题,评分标准是做对一道得10分,做错或不做,一题倒扣5分,小明最后得55分,他做对了几道题? 小明在数学竞赛中共要完成20道题,评分标准：作对一题得5分,做错或不做倒扣一分,小明得了64分请别用方程式： 某次数学竞赛共20道题,评分标准是每做都对一道得5分,每做错或不做一题倒扣1分,小明参加了这次竞赛,得了67分,小明做对了（ 香港维多利亚海港的介绍请详细举出那儿的大剧院