小明在窗前做作业

如下图,在长方形ABCE中,AE=8厘米,AB=6厘米.三角形ACD的面积是12平方厘米,那么梯形ABDE的面积是多少平方厘米? 先化简,再求值：2（a-2)²-6a(a+2)+(a+2)(a-2),其中a=-1 求一篇初中英语短文,200词左右,上台读的,要小故事（搞笑的也行）的,要简明易懂的,没拼写错误的...1楼只有97个词啊，如果过了200词绝对选你 今天还太康地震吗 下面的正方形的边长是10厘米,CE为25厘米,梯形BCDF的面积是多少 请问考英语高级翻译难不难? 600字作文投稿:继承革命先烈遗志 怎么写?写什么? 继承先烈遗志,弘扬革命传统作文500字 a、b满足a（a+1）-（a+2b）=1,求a²-4ab+4b²-2a+4b提抄错了应该是a、b满足a（a+1）-（a²+2b）=1，求a²-4ab+4b²-2a+4b 老师的爱是什么.仿写：老师的爱是春雨,润物细无声 谁帮我分析一下这句话为什么用倒装?Intensive efforts are being made to resolve the dispute. 是用了倒装还是什么分析句子To overcome this, there have been suggestions in the past that the DSM should be divided into two: a scientific version, for use by researchers and psychiatrists, and a pragmatic version, for everyone else. 急需一篇《继承先烈遗志,树立远大理想》作文 字数不限 此句是否为倒装,怎么分析那?Not a conversation I‘m even remotely ready to have 句子分析 里面是否有倒装While a few studies have shown a correlation between creativity,originality,and introversion,perhaps more striking is the greater enjoyment introverts seem to reap from creative endeavors. 把下列函数分区间表达.1、f(x)=5-|x| 2、f(x)=-5+|x| 【函数分区间表达是指定义域还是值域还是、、】 化简:(b²/2a²）²÷（4b³/7-a）×（b²/a）³ O是矩形ABCD的对角线的交点,DE‖AC,CE‖BD,DE和CE相交于E.求证：四边形OCED是菱形. 如图,若O是菱形ABCD对角线的交点,作DE//AC,CE//BD,DE,CE交于点E,四边形OCED是矩形吗?请说明 O是矩形ABCD的对角线的交点,作DE//AC,CE//BD,DE、CE相交于点E.求证：四边形OCED是菱形 如图,O为矩形ABCD对角线的交点,DE平行AC,CE平行BD.求证：四边形OCED是菱形. 如图,O是菱形ABCD的对角线的交点,DE//AC,CE//BD.求四边形OCED是矩形 为什么这个句子是部分倒装?So drowned was she in her work that she didn't even realize I was behind her.drowned和was都在she前面,为什么是部分倒装? 这个句子怎么部分倒装!The city was never in greater need of modern public transport before.如果否定词前面 是不是改为never before was the city be in greater need of modern public transport. 要不要那个be? 关于部分倒装的一个句子Not a single book he read that month.这句话哪里倒装了? Here was a chance for me to distinguish mfself by inventing something merciful that would catch snakes but not harm them.这句话完全倒装还是部分倒装? 取得该证书应具备什么条件 英语怎么翻译 有了一份属于自己的工作?英语翻译 有一份让你做.工作英语翻译 为何搜狗拼音无法输入双引号啊,比如“我”后面怎么是单引号啊 中秋节要到了 400字 润物细无声的细是什么意思?