已知一棵無(wú)向樹T有三個(gè)3頂點(diǎn),一個(gè)2度頂點(diǎn),其余的都是1度頂點(diǎn),則T中有________個(gè)1度頂點(diǎn)。
5
暫無(wú)解析
Theorderissourgentlyrequiredthatwemustaskyoutomaketheearliestpossibleshipment.
航空快運(yùn)業(yè)務(wù)的形式分()。
競(jìng)爭(zhēng)激烈的運(yùn)動(dòng)項(xiàng)目不適合年紀(jì)特別小的孩子。
Ifyoucanfillourorderof5000tiesverysoonwe‘dliketoplacetheorderwithyounow.
Todayconsumersarefacinganincreasingamountofadvertisingfromcompetingcompanies.Towhatextentdoyouthinkconsumersareinfluencedbyadvertisements?Whatmeasurescanbetakentoprotectthem?
