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
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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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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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