在0,1,2,4,6,7,51,九分之一中质数有合数有既是偶数又是质数有

用分类讨论的方法吧,先考虑末位为0,在考虑末位为2（末位为4,6,8的情况都与2的相同）,就可以了现在比较晚了,我明天再帮你、、能等会儿吗再问：好的，明天中午再答：我正在写、等一下~答案应该是5760

音阶排列是固定的,哪个调的哪个音在几弦几品是不变的．3(Mi)在第二品,4(Fa)就在第三品;7(Xi)是空弦音,1(Do)就在该弦的第一品,这是因为3和4之间,以及7和1之间是半音．其它各音之间要隔

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9无论加还是减8都为奇数加或减7为偶数偶数加减偶数6为偶数偶数加减奇数5为奇数奇数加减偶数4为奇数奇数加减奇数3为偶数偶数加减偶数2为偶数偶数加减奇数1为奇数因为20不是奇数所以无解

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zero,un,dos,tres,quatre,cinc,sis,set,vuit,nou.活用谷歌翻译,生活更美好再问：google翻译有点小怀疑啊，能不能确定啊，我手上已经有好几个版本了，拜托高手

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1是青2是日3是十4是口5是木6是勿7是女1+2=青+日=晴.2+3=日+十=早3+4=十+口=古4+5=口+木=呆4+6=口+勿=吻4+7=口+女=如

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1+2+3+4+5-6+7+8+9-10-11-121+2+3-4-5-6-7-8-9+10+11+12

753428961614957382892163457138245796975316248426789135289574613367891524541632879

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1、在3:45atthreeforty-fiveataquartertofour2、在4:15atfourfifteenataquarterpastfour3、在5点atfive(o'clock)4、

=$A$1*100+INDEX($B$1:$B$10,INT((ROW()-1)/10)+1)*10+INDEX($C$1:$C$10,MOD(ROW()-1,10)+1)

InMayInOctober2008Inthespring\summer\autumn\winterInAugust12InFebruary25,2008InMother'sDayInTeacher'

ushmyteetheathisbreakfastataquarterpastfouratfivefifteenathalfpastoneatseven祝你学习进步

2-3+4+5+6*7+1=51

至少140人,人数要是140的倍数,具体多少人不知道~140人是因为140是5,7,4的最小公倍数最后一个条件,27人在船上有关系么?在船上也可以站岗,也可以工作,也可以住院,船上不能有医院么

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