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对数学您还有多少了解? 顶点个数 棱的条数 面的形状 横截面的形状正方体圆柱长方体圆锥三棱柱三棱锥球要求:面的形状 例子:圆柱体上下为圆形,侧面是一个曲面.横截面要从多个角度谈!如 竖着切为XX形,斜着切为XX 找以“潜力”为话题的作文 第6題,you will become a Child! 求数学几何大师 i trusy u will become a big richman! 俺问下,几何数学有谁看过,给个回答吧 人家想问,几何数学有谁看过,麻烦诸位啦 “As soon as we reached our destination,they left.”请问你知道意思吗“As soon as we reached our destination than they left.” 及As soon as 和As soon as .than的意思 以潜力为话题的作文大约800字,要带有点评什么的. 他们要在家中休息.用英语怎样翻译?开头是“they are ( ) ( ) ( ) 写出什么地方的风景名胜?两岸猿声啼不住,轻舟已过万重山 that's all right可以翻译成那些都是对的吗. 两岸猿声啼不住 轻舟已过万重山描写的名胜 人家请问,几何数学有谁看过,大伙儿辛苦 hi,几何数学有谁看过,朋友们辛苦 V=1/3Πh(R^2+2rR+r^2).请问h前面的是什么东西代表什么? 铁杵磨成针造句要两个句子, they remember people's birthdays;and they pay their bills as soon as the bills arrive.帮忙给我写出句子中的词组啊 do you think it necessary to do my homeworkDo you think it necessary to do my homework为什么不是Do you think it is necessary to do my homework Do your best to help her.(改为同义句)____ help her. please e-mail me those professors' weekly reports as soon as possible 怎么译? It's a dream,only a dream的意思 myself是神马意思? 几何,代数,h=1^2+1^2分之-1+0-4=√2分之51^2+1^2这是什么意识-1+0-4这又是什么意识AX+BY-C=0难道A-1+B0-4是什么意识-1+0-4除1^2+1^2 是什么意识啊 在一个什么是绝对值啊 几何 几何.数学,亲告诉我好吗y-2/-3-2=x-0/3-0为什么是5x+3y-6=0比如 (y-2/-3-2)-(x-0/3-0)=(3y-6/-15)-(3x/9)=0 不管算都不等5x+3y-6=0亲 请问下 这些代数的转换 是初中那里的基础 怎么没有啊看到好多AX-BY-C=0好多初 检查一下 数学几何认真点 在矩形ABCD中,AB=20cm,BC=4cm,点P从A开始沿AB边以4cm的速度移动.点Q从C开始沿CD边以1cm的速度移动.如果点P和点Q分别从A和C出发,当P到达B时,两点都停止运动.设运动速度为S,t为何值时,四边形APQD为矩 Except that when I popped out they decided at the last minute that they really wanted a girl.decide 后面不是should do用动词原型吗 Why didn‘t you tell me?I ____ tell you .A ,do B,did C,am D,are Children should have free time[ ](relax)at school要写原因