二年级音乐体验式作业

当a=1/6,b=1/2时,3a+2b=( ) 已知3∧a =2,3∧b =6,求3∧3a-2b的值 a=-1/6 b=3/2 3a+b/3a-b-3a-b/3a+b/[1/(1-b/3a)]/(1-2b/3a+b)=? 七年级科学分析计算题小明看到一个自来水龙头没有关紧,水一滴一滴断续地滴落在地上.他想这个水龙头一昼夜要浪费多少水啊!为了测算水龙头一昼夜要浪费的水量,他找来了秒表,量筒.将量 七年级科学下册第二章复习题的答案快 ·····j 七下科学作业本A第三章复习题 分析计算题 已知|2a-b+1|+(3a+3/2b)^2=0求[b^2/a+b]/[(a/a-b-1)][(a-a^2/a-b)} 2a-3(3a-2b)-2(a+2b)计算 1 1 1 ———＋ —————＋···＋——————— x(x+1) (x+1)(x+2) ﹙x＋999﹚﹙x＋1000﹚怎么算 x/2+x/3+x/4=65数学, x/2+x/3+x/4=65怎么算? (b/2a^2)^3÷(2b^2/3a)^0*(-b/a)^-3 计算1+2+-3-4+5+6-7-8+.+2001+2001-2003-2004 已知a:b:c=3:5:10,且a+c-b=16,求3a+2b-c的值 求一题初中级别英语数学应用题解The cost of warehouse space is allocated to three inventories:raw materials,work-in-process,and finished goods.The inventories use the warehouse space in the ratio of one-third to one-sixth to three-eighth 英语翻译A batsman is out for 26 runs,which raises his batting average for the season from 15 to 16.How many runs would he have had to have scored to raise his average to 20.求翻译, 英语.习题（要经典的） 9－16分之3×15分之4 对自然数a、b,规定a※b=3a+2b+4,求8※10 如果规定A*B=3A+2B,那么0.5*0.8=（ ）我实在是帮儿子解释不出来, 4*80%*2.5*12.5的简便计算 已知a=（3,4）,b=（-2,-5）,求 1,a+b 2,a-b 3,b-a 4,3a+2b 5已知a=（3,4）,b=（-2,-5）,求 1,a+b 2,a-b 3,b-a 4,3a+2b 5,a-3b 英语翻译昨天我在博物馆遇到了我的一个老朋友.(名词所有格)I met a old I ’s friend in museum yesterday .你必须做完作业才能出去玩.(before)You can go out playing before you must do over homework.她一到达那所学 初中英语句子翻译题他想知道他女儿发生了什么He wonders ( ）( )( )( )( )答案一：He wonders what has happened his daughter.答案二：He wonders 英语翻译翻译句子：1.I`ll think about be coming an English teacher rather than a tour guide!It`s better to see lions and foxes during the daytime because they`ll probably be awake.The temperature is almost the same all year round.It was becau 1800÷12.5÷2.5÷3.2简便计算 a÷b=3a-2b,那么（5/3÷4/5）÷1/4= 5(a+b)-4(3a-2b)+3(2a-3)短时间回答的 追分 句子练习（英语）1 The office are in front of the library.(改为同义句)The library ___ ___ ___ ___ the offices.2 喝牛奶对我们身体有好处.（翻译）3 谢谢你给我写信（翻译）4 Why not watch TV at hone?(改为同义句)5 英语句子练习!The children would like to go to Japan on holiday this summer?（对划线部分提问） 划线部分：JapanIt's the Italian national flag.（对划线部分进行提问）划线部分：ItalianThe capital of China is Beijing.. 英语练习,句子 几个英语的句子练习1.She likes shopping.(一般疑问句)2.We bought some soft drinks yesterday.(否定句)3.He finished (his homework).(划线部分提问,括号内是划线)4.I have steamed fish for lunch.(否定句)5.I have visited (my gra