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踢毽子的技术训练 已知|m-n+4|和(n-3)互为相反数,求m-n的值拜托了各位 将一张长方形纸对折两次,然后剪下一个角,打开,如果剪出一个正方形,那么剪口与折痕所成角为多少度?将一张长方形纸对折两次,然后见下一个角,打开,如果剪出一个正方形,那么剪口与折痕所 已知4-m与-1互为相反数,求m的值的过程,和每步的解释 将一款长方形对折两次,然后剪下一个角,打开,如果要检出一个正方形,那么剪口线与折痕成A.22.5 B.30 C.45 D.60 如何踢毽子 如果12-3(9+m)与-5(m-4)互为相反数,那么m的值为多少? 把一个长方形的纸片对折两次,然后剪下一个角,为了得到一个正方体,剪口应与折痕成多少度的角? what () of cds do you like best? Young people are not ________ to stand and look at works of art; they wantAconservativeB.contentC.confidentD.generous 1. Young people are not _____ to stand and look at works of art: they want art they can participate in. [CET-4,2000,6]A. content B. generous C. confident D. conservative 2. In his speech, he used quite a lot of slides （幻灯片）to _____ his theo Nowadays young people have their personal look.They want to _____ their personality in this way.A take off B turn off C put off D show off求翻译 there are four bottles of juice on the table .对four bottles of 进行提问[ ] [ ] juice [ ] there on the table? 将一张正方形纸对折5次后打开,折痕把这张纸平均分成了（）份,每份是这张纸的（）/(),8份是这张纸的（）/（）,5个4份是这张纸的（）. Peter and Millie b( ) like pandas best 液压系统怎么配电机和柱塞泵?液压系统上有一个400吨油缸、两个40吨油缸、一个80吨油缸、一个6吨油缸,有四个蓄能器,怎么配电机和柱塞泵?我现在配的是18.5KW的电机和80的柱塞泵.系统压力是3 求一款24V电机带动的齿轮或柱塞泵小排量高压力的油泵 更好是电机和泵是一体的 要求压力达到10Mpa的10Mpa上的 能泵黄油 已知,2a一3与a一12是m的平方根,求m的值 is this singer the one whose songs you like best 为什么要the one? 英语填空 Jay is my favorite singer .i like his song Ju Hua Tai best ________________B:me too.____________A：id love to .lets go toghter. 定语从句 Is this the writer____works you like best?A.that; Bwhose; C the one； D the one whose 正确答案选D 为什么不能选B Songs Like This 歌词 This is ___ song i like best,lsn't it ___ better one?A.the the B.the a C.a a D.a the 电梯涨紧重块距地面的距离是多少 可以做一个EXCEL表格给我吗,只需要填入缸径/缸径/工作压力就可以直接得出拉力和推力了的. 如图所示,已知平行四边形ABCD和平行四边形EBFD的顶点B、D重合.求证;AE=CF 《芙蓉楼送辛渐》全诗意思是什么? 《芙蓉楼送辛渐》的整个诗句 用98%的浓硫酸(密度为1.84克每毫升)配制1:5的稀硫酸,这里的1比5指98%的浓硫酸和水的比,还是指硫酸和水的 如何鉴别瓷砖是否是通体仿古砖? 仿古砖和一般瓷砖有什么区别呢? a lot of形容可数名词的复数形式还是不可数名词