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共找到 679 与Tb= 相关的结果,耗时8 ms
设向量a(cos23·,cos67·)b(cos68`,cos22`)c=a+tb(t属于R)求a*b,当t为何值时,c的模取最小值并求此最小值
数学
英语选择10道11、Myfather()illyesterdayA、isn‘tB、aren’tC、wasn‘t12、()yourparentsathomelastweek?A、WereB、WasC、Are13、Thetwins()inDalianlastyear.Th
英语
lian last year
2.IthoughhecomehereforheleaveforHangzhouonbusinesstomorrow.A.will;won'tB.would;wouldn'tC.wouldn't;wouldD.won't;will请教,我觉得这题B\C都对.
英语
will请教,我觉得这题B
英语1.Heknowslittleaboutthecityasifhetheresofar.1.Heknowslittleaboutthecityasifhetheresofar.A.isn’tB.weren’tC.shouldn’thavebeenD.hadn’tb
英语
en’t C.shouldn
1.It()againA.rainsb.rainingc.israinsd.torains2.There()getmuchsunshinea.don'tb.doesn'tc.alsod.torains3.Wedon'twantyouto()a.goawayb.goes
英语
to() a.go awa
麻烦老师解答:-Help!Thereisabi-Help!Thereisabigsnakenearthehouse.-afraid.Itwillgoawaylater.[]A.Don'tB.NotC.BeD.Don'tbe
英语
Be D.Don't be
下列四个单位中,是电场强度E的单位的是()A.TB.N/CC.V/AD.J•m/A
其他
---Let'sputawayJohnny'stestpapertogiveFatherabigsurprise.---Youdothat.HetoldFatherabouthistestresultthismorning.()A.can'tB.needn'tC.sh
英语
morning.( )A.
—SorryJoe.Ididnotmeanto….—Don’tcallme“Joe”IamMr.Parkertoyouandyouforgetit!A.mustn’tB.didn’t
英语
B.
--DoyouknowwhereDavidis?Icouldn'tfidhimanywhere.--Well.Hehavegonefar--hiscoat'sstillhere.A.shouldn'tb.mustn'tc.can'td.wouldn'tB项毫无疑问,是
英语
d.wouldn'tB项毫无
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