101x27简便计算

常说数列是有序的? 常数列是d=0的充要条件（ ）错在哪里?, That room is for the Present to meet his friends.急 i suggest that you visit Disneyland with your son 同义句是什么 i suggest your 空格 Disneyland with 空格只能填一个单词后面那里是with your son A friend of mine has a living room that about eight feet by ten.A.measures B.is measured 五个数字平均数是30,从小到大排列,前三位数平均是25,后三位数平均是35,求中间是什么 My friend,sijia,was in my room and she was just joking with you.帮我翻译下, 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