特种作业操作证成绩查询
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一辆列车总重为5×10^7N,在平直水平路面上以20m/s的速度匀速行驶,列车所受的阻力为列车重的0.03倍,在10s内,列车通过的距离为200m,机车所做的功和功率分别为多少?
先化简,再求值3a²b-[2ab²-2(ab-3/2 a²b)]+2ab3a²b-[2ab²-2(ab-3/2 a²b)]+2ab.其中a,b满足│b+1│+(2a-4)²=0(要详细过程)
先化简,再求值:[ab(a²-3b)+3ab²]*(-2ab²),其中a=-1/2,b=-2jijiji
正方形ABCE的边长是8厘米,AE=ED,求梯形ABFE的面积.
正方形边长10厘米,AE=8厘米,CF=6厘米,求阴影部分面积.
如右图,正方形边长8厘米,AE=1/3AB,求阴影部分的面积打错了,AE=2/3AB
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?