盐酸和氨水反应方程式

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问一道数学题好吗甲,乙,丙,丁4人一共做了370个零件,如果把甲做的个数加20,乙做的减20,丙做的乘以2,订做的除以2,4人做的零件就相等,那么乙实际做了多少个 她怀孕引产,这孩子别人的,分手几个月了,借了她6800加上我的时间1w左右,刚开始说借的,等出院之后啥也没说,出院之后我没怎么关心她,昨天她空间来了一句,得到了怎么就不知道珍惜了呢!不知 谦虚的名人事例 帮帮我200到300字 OK! 名人谦虚的事例 要简短的至少3例 求苏秦说秦王 的原文和翻译! what can you do?what can't you do?what about people you know?write at five sentences.麻烦用英语帮我写下.合上面要求就行. 一块圆柱体木料,如果劈成两个小圆柱,他的表面积将增加6.28平方分米;如果沿着直径劈成两个半圆柱体,他的表面积将增加100平方分米,求原来的圆柱体的表面积. 大学英语三级应该知道哪些语法我是一个中专生马上要考大学英语三级了,但不知道怎么去复习 大学英语三级大概要掌握哪些语法内容语法 we are b_with work,so l have no time to play. what you need is more practice.is more practice的主语是哪个词啊 有没有关于名人谦虚的小故事关于名人谦虚的小故事,长度不要超过200字 考研数学一考的是同济的是第几版? Many people are still in _____ habit of writing silly things in ____ bathroom.A.the ; the B./ ; / C.the ; / D./ ; the选哪个?为什么! 高一英语周报 总2973期答案.请大哥大姐的快呀,我急… Many people are still in _____ habit of writing silly things in _____ public places.A.the;the B.Many people are still in _____ habit of writing silly things in _____ public places.A.the;the B.不填;不填 C.the;不填 D.不填 ;the (请附推 How many people are still alive in his family after the flood?什么意思 Many People are still in the habit of writing silly things in the public places.改错! how many people are still leading__life under__poverty line in the world Other countries have similar sayings.It is true that all of us need recreation(娱乐).We cannot wo 用surprise或surprised填空:I'm ( ) that you can play in this street.请告诉我你为什么这么选择, I’m surprised (surprise) he can play the guitar well. 为什么填surprised What's twelve minus two?下一句用英文该怎么回答? what's thirty-six minus twelvewhat's thirty-six minus twelve?的回答 What's twwnty minus twelve?的汉语意思 关于大海谦卑的名人名言是谦卑不是谦虚, .宋词豪放派的代表人物有谁 ---Have you finished all your work,Kate?---Not yet .The rest __ really hard to do.We need some---Have you finished all your work,Kate?---Not yet .The rest __ really hard to do.We need some helpA.was B.is C.are D.were What's the time?回答是 1.seven-thirty 2.eight o ten 3.ten o eight 应选哪一个? 2011-2012高一英语周报四川专版第6期答案谁有? 2011高一英语周报外研版四川专版第十五期答案