已知ABC是三角形ABC三个内角,向量m=(-1,根号三)
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24.as soon as she entered the room,.24.as soon as she entered the room,the girl caught sight of the flowers ___ (buy)by her mother.麻烦各位给出详细分析.
数列极限值等比数列,当公比q<1时lim n趋于无穷 a(n+1)/sn 的值当q>1时lim n趋于无穷 a(n+1)/sn 的值
平方是4/99的数是什么
有两根木料,长度分别是24dm和28dm,把它们截成同样长的小段,没有余料,每段最长几分米?共截成多少段?
三根钢管的长度分别是24dm、20dm和48dm,如果把它们截成同样的小段,每小段最长可以
帮忙啊谢谢啦 did you go_____ (visit) your uncle yesterd帮忙啊谢谢啦did you go_____ (visit) your uncle yesterday
My mom gets really angry when i foget to clean my room.这里的when是副词还是连词,为什么?His mom goMy mom gets really angry when i foget to clean my room.这里的when是副词还是连词,为什么?His mom got angry when he didn't do
两根电线分别长24米和16米,现在将这两根电线剪成相等的小段,并且没有剩余,剪成的小段最长可以是多少米算式
两根电线分别长20米和12米,现在将这两根电线剪成相等的小段,并且没有剩余,剪成的小段最长可以是多少米共能剪多少段?
有两根电线,第一根长24米,第二根长18米,要把它们剪成同样的小段,而且不能有剩余,每小段最长有多少米一共能剪几段?急,明天要交.要算式.
为什么最近许多地方都地震呢?先是上海又是黑龙江又是江苏又是河北的?
最近很多地方地震吗?2012真的来了?
为什么最近很多地方都地震?预示着什么?比如地球爆炸``只是比如``
what does jim have to drink 我知道是have sth.to drink .那可不可以说drink sth.
Tim喝了什么--What does Tim have to drink .这句中把to去掉可以吗?(115)
小华给一只落在数轴原点上的电子跳虫设定了如下程序:先向右跳1个单位长度,再向左跳2个单位长度,然后向右跳3个单位长度,再向左跳4个单位长度……按以上规律跳到2010个单位长度即停止.1
已知cos(x+∏/4)=1/3,求cos(2x)/cos(x-∏/4)的值(∏是圆周率)
重怎么读?
在the long river 在前加什么介词
”烟横云倚“是什么意思?
找出Ann's sister is a student的同义句
圆周率是多少?
My sister is a student,I am a student合并成一句话:my sister and I___ ___student合并成一句话:my sister and I___ ___students还有一个问:WHAT does fast m____回答:Quick
∫上限圆周率/2,下限负圆周率/2cos的平方(x)dx
选择题 -----John often ------ to his parents? A. Does,write B. Is,write C. Does,write
I often write to him.和I write often to him.和I write to him often.有什么区别
求解7到10题
求7-10题答案
You are a student.Is( ) sister a student,too?
he is a student.his sister is astudent,( ) A.too B.either C.tohe is a student.his sister is astudent,( ) A.too B.either C.to急
用适当的介词或副词填空.There are some boat ____ the river.
The children are swimming( ) the river.(填介词)