show that there must be at least 90 ways to chosse six integers from 1 to 15 so that all the choices have the same sum 证明从1到15中至少有90种的（任取6个数的和）相等的取法提示用鸽巢原理不用具体的取法,只要证明

图论的Show that a simple graph with at least two vertices there must be two vertices that have the same degree It appears that there is no show me the stage! There must have been several hundreds people present just before the show began.句子成分分析 Are there things that must be expe.的意思 the show must go on show must be go on there must have been several hundred people present just before the show began．…这是什么语法? there is never a boat that you must catch.there is another boarding all the time. l believe that there are many ways to show our love中文 英语翻译And is there something that you would like to show me in Hangzhou 英语翻译Show that there are n consecutive composite positive integers for every positive integer n. show that there must be at least 90 ways to chosse six integers from 1 to 15 so that all the choices have the same sum 证明从1到15中至少有90种的（任取6个数的和）相等的取法提示用鸽巢原理不用具体的取法,只要证明 there is something that must be tell you请问这句话对吗?还是there is something that must be tell to you? 英语翻译There is no way around the fact that containers,shelters,and supports must be functional. you,make,get,before,o'clock,sure,that,must,there,ten（连词成句） you make get before o'clock sure that must there ten(连词成句) I believe that,as long as paid there must have been harvested语法对么 If there is somebody i need to love ,that must be