A jar contains 20 marbles:4 red,6 white and 10 blue.If you remove one at a time,randomly,what is the minimum number that must be removed to be certain tat you have at least 2 marbles of each colors?A) 6 B) 10 C) 12 D) 16 E) 18想问下答案是怎么

A jar contains 20 marbles:4 red,6 white and 10 blue.If you remove one at a time,randomly,what is the minimum number that must be removed to be certain tat you have at least 2 marbles of each colors?A) 6 B) 10 C) 12 D) 16 E) 18想问下答案是怎么 a jar was filled with gold coinsh 还是a jar fill with gold coins He has a jar in his hand.请对a jar提问. A jar contains(装有)only red,green,and blue marbles(玻璃球).If it is three times as likely(可能) that you randomly pick(随意选择) a red marble as a green marble,and five times as likely that you pick a green one as a blue one.Which of the 20mA等于多少A 请问怎么使用新class覆盖jar原class有a.jar 下面有test est.class现在我需要覆盖a.jar中的test.class, 直流电流 20uA/200uA/2mA/20mA/200mA/10A怎么念 jar是什么意思? Mobile_Token.jar 英语翻译The ability to reliably detect and track swimmers is essential for successful swimmer motion analysis.However,a swimming pool contains many motion clutters including rapid fluctuation of water surface,water ripples/reflections,etc.This ma We cover the jar with a piece of paper[改为同意句]The jar ___ ___ ___ a piece of paper 货运代理中 品名下 This shipment contains no solid wood packing ma terials 为什么要显示 This new book _____________20 articles ,_________five written by my sister.A.contains ,includes B.includes,contains c.contains,including D.includes,contained选什么,为什么? 关于contain的用法有四个句子,1.I contain several dictionary2.Sea water contains salt3.A dog contains four legs4.Mr Smith contains glasses on his nose He has a jar in his hand 改否定句,一般疑问句,肯定句,否定回答 He has a jar in his hand 否定句,一般疑问句,肯定句,否定回答 He has a jar in his hand.请改成否定句. He has a jar( in his hand).对括号里内容进行提问.