怎样快速写完作业

一堆黑白围棋子,从中取走白子15粒,余下的黑子数与白子数之比为2:1,此后,又取走黑子45粒,余下的黑子数与白子数之比为1:5,那么这堆围棋子原来共有多少粒? 一堆黑白围棋子,从中取走白子15粒,余下的黑子数与白子数之比为2:1,此后,又取走黑子45粒,余下的黑子数与白子数之比为1:5,那么这堆围棋子原来共有多少粒? Thank You for your wishes!要更准确! 一堆黑白围棋字,从中取走了白子15粒,余下黑子数与白子数之比为2:1,此后又从中取走了黑子45粒,余下的黑余下黑子数与白子数之比为2:1,此后又从中取走了黑子45粒,余下的黑子数与白子数之比 你姐姐长什么样啊?的英文 What ---your sister --- ---? She won’t go to the party with a lot of things ____A:arranging B:arranged C:to be arranged D:to arrange请重点辨析一下B、C I will go to Beijing for___third time.填a还是the 英语翻译besides the well-known circle of massive stones of Stonehenge which don't get me wrong is remarkable enough 英语翻译You can leave your bike anywhere you like in China 英语翻译The two cities were connected to each other by a diversion after flood cut them off 找一首英文歌,女生唱的,只知道几句歌词i am so happy~i am your baby when you fall in love~i am your 声音挺甜的感觉 曲风也很轻快后面的歌词 还有 we are happy baby do they for leave beijing when怎么连词成句 小林有邮票张数比最小的合数多34张.小林有邮票多少张 英语翻译做好了要给老师看的,所以英文名字求准确的翻译 英语翻译 急求一些故事叙述类的诗词名篇简短一点的就好 下面请写清翻译 想画成画谢谢帮助、 both teachers and students are an dispensable part这句话没有错误吧写错了，应该是both teachers and students are an indispensable part。我主要想问的是，后面应该是an indispensable part还是 indispensable parts both students and teachers are well–prepared forclass 怎么改祈使句? Both teachers and students like summer holiday,(改为否定句) I usually have the lunch at school. 找错此题里面有一处错误,望大神们迅速解答. Many（ ）usually（ ）（have） lunch at school.填什么? My brother usually have lunch at school.有什么错误? 柳树叶含什么成分 柳树叶有什么功效 柳树叶的外形 名句名篇是不是古诗 急求柳宗元、李白的名篇（诗、词） what are you going to buy 请问李白有什么名篇佳作?（注：只需要诗,不需要词） 照样子写词语：舒舒服服AABB、若隐若现ABAC、商量商量ABAB每个四个 说说“我们已经长大成人,但所有的大人不都是从孩子是到走过来的吗?”作者想表达的含义这是一千张糖纸的阅读 我们已经长大成人,但所有的大人不都是从孩子是到走过来的么?