七下数学作业本1答案

在水准测量中,圆水准器气泡居中时,为什么水准管气泡不一定居中 微积分 急用 关于数学微积分的一个题,能说明白的回答y'=9x^2+8y^2−7 ,y(0)=2问y'(0)=?y''(0)=?y'''(0)=? 小明今年8岁,爸爸今年32岁,小明的爸爸是小明年龄的多少倍?在解决这个问题时,最后列式为：32/4=8（倍）,最后这个单位能要吗?说明一下为什么,如果做题时要加了单位算错吗？ 怎样调节经纬仪的管水准器?希望方法详细点 集合{(x,y)|xy》0,x∈R,y∈R} 是指在第几象限的点 love will find you when you need it most是啥意思? 某西瓜经营户以2元/千克的价格购进一批小型西瓜,以3元每千克的价格出售,每天可售出200千克.为了促销,该经营用户决定降价销售,经调查发现,这种小西瓜每降价0.1元/千克,每天可多售出40千克 土建调整经纬仪精调时水平管气泡一定要完全居中么,就是水平气泡完全在两根长的刻度中间?如果不是能偏多少,也是准的?我调时,两个面水平,第三个面总是偏长刻度线外面半个格..怀疑仪器 若复数Z满足|Z+（√3）+i|≤1,求：（1）|Z|的最大值和最小值（2）|Z-1|^2+|Z+1|^2的最大值和最小值（3）|Z-√3|^2+|Z-2i|^2的最大值和最小值感激不尽！感激不尽！ Now when I laugh,I show at least eight When you laugh,your body _______(relax)为什么不能用will relax要用relaxes说简单明白点 填词 When you are full of c___ ,you will surely sucdeed in your work. 若| z-1|=1,试说明复数z对应点的轨迹 many mistakes in your speaking will be > found when you write 已知复数Z1=1–2i,Z2=3+4i,i为虚数单位①若复数Z1+bZ2对应的点在第四象限,求实数a的取值范围②若Z=(Z1-Z2)/(Z1+Z2),求Z的共轭复数 When will you have your clothes _____ A.wash B.washing C.washed D.to wash what will you c----------------- as your pet 填词 -9x=-6 两边同（）x=3/2 how to love 歌词中文 lil wayneYou had a lot of crooks tryna steal your heartNever really had luck,couldn’t never figure outHow to loveHow to loveYou had a lot of moments that didn’t last foreverNow you in the corner tryna put it togetherHow t 4/5+（3/8-1/2） how to love?be a good person or bad?why girls always choose those who cheated her?cherish?manipulate?faithful? 2000年12月的. 5.55元用英语怎么说如题 请问算盘的定位档一共有几个?在什么位置? I Don't know how to love him歌词有没有这首歌的中英文对照啊? How I Learned To Love The Bootboys 歌词 翻译how do you want me to love you歌词Ha ha ha ha alright, ha ha yeahHa ha ha ha ha ha yeahYeah yeahHow do you want me to love you?Oh yeah yeahWhere did you come fromBaby what's your name?I gotta tell you something, please let me explainI'm the k 直挂云帆济沧海的意思白话的,要解释深层含义 直挂云帆济沧海 直挂云帆济沧海中济是什么意思 数字55用英语怎么写?