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请问ad=bc这个等式是不是比例?还是一定要写成a：b=c：d或a/b=c/d的形式才是“比例”? "drwtsn32"is not recognized as an internal or external commandm,operable program or batch file. 谁能给我找点关于数学比例的题用比例解10道, 数学题目一道 关於百分数计算 谁能帮我起一个文字控的扣名? 快 郦这个字怎么读 若x的绝对值等于-2,则x等于多少? you can to be dead 按要求写诗句.快,如果回答的既快又好我会给予赏悬的哦一.热爱祖国热爱祖国 如人生自古谁无死,留取丹心照汗青.二.述志抒怀 如路漫漫其修远兮,吾将上下而求索.三.描写四季描写春天 如春 Can be constant to you.英语翻译. 留在心底的风景 快 糖外面的一层膜是用什么做的? 直流伺服电机接线问题 MINERTIA F MOTOR SERIES UGFMED-B5TRL42 524834-1 这个电机怎么接线电机上有两根线 红和黑 编码器上有四跟线 白 红 黑 绿 这四根线怎么接 英语翻译11.we learn from the text that the new type to pineapple is a little soft outside and sweet inside12.why was the new type of pineapple selling well?it was rich in nutrition and tasted nice13.the underlined word"inxture"in paragraph 3 prob 苹果,摩托罗拉和三星.我希望大家看完此贴后可以各抒己见,讨论起来.众所周知以上三款手机的特点?苹果：设计创新,质量最好,运行稳定,但硬件更新不快,保值功能等.摩托罗拉：质量很好,硬 英语翻译请帮我翻译几篇文言文（能翻多少翻多少）[初中文言读本上的]43~46以及96～100若有人有全部译文.另奖! 英语翻译13.the first night was hard for the players to fall asleep because the were too excited.14."...the players looked as fresh as when they started"here "fresh"means energetic.15.it was hard for the player to fall asleep at night. 英语翻译请帮我翻译几篇文言文（能翻多少翻多少）[初中文言读本上的] 31.哀溺 32.临江之麋 33.笑而不畏虎 34.更度一遭 35.中山窃糟 36.乞猫 37.南岐之间 38.盲子失坠 39.一钱莫救 40.取金 41.大鼠 英语翻译11.the idea of living on the moon has not been understood by a lot of people12.bacteria is moving everywhere on the moon13.gravity is one thing that can never be controlled14,the temperature on the moon is tended to go be extremes15.life 玄论是对量子理论的升级?量子级别的物质已经不能解释进一步的自然规律,因此诞生玄论,这意味着可能还有进一步的升级,是这样的，如果一套理论是非常成熟的也就是无须其他理论给予补充 英语翻译11.pictures to shock smokers13.countries in the EU still use tha old warning method15.the underlined sentence in the last paragraph suggests that deaths caused by smoking could have bee avoided 英语翻译11.the passage is to tell people to save sesources when working in an office12.how many kinds of waste are mentioned in the passage?13.from the passage we can infer that in the office many people dont turn off tha computers after using th 考研概率论都是考什么类型的题目,难易程度怎么样 在天津哪个区考会计证都一样吗,都是一个题库吗,有没有难易之分? 将试题分为五个难易等级我想将试题按难度分为5个等级,要怎么分,用语语,比如说：“简单” 知道的说下 六年级上数学轻松夺冠的答案 35.5用英语怎么读 35.5英语怎麽讲 correspondent He is a good correspondent.The outcome of the election was correspondent with my prediction．什么意思? different correspondent什么意思 设实数xymn满足x^2+y^2=3,m^2+n^2=1,若a大于等于mx+ny恒成立,求a的范围现有一证法如下 为什么要提出根号三给个详解我只想知道提出根号三的道理……