什么是平均法作业表

中位线部分的数学题哦 两道数学题关于中位线的如图10,RT△ABC中,角ACB=90°,D、E分别是AB,BC的中点,连接DE和DC（1）DE垂直于BC吗?为什么?（2）若CD=5厘米,DE=3厘米,求BC的长如图13,梯形ABCD中,AD∥BC,∠B=90°,AB=5厘米,∠C=45°,中 we are going to meet outside the school gate.还有we like pandas because they are cute.画线部分[ because they are cute]tom usually goes to school at seven.画线部分[at seven]there are fifteen birds in the picture.画线部分[fifteen]lucy and We;re going to meet ---the road outside the school gate.A.in B.at C.with D.on为什么答案是D?有at the gate的搭配吗?风唱梵音 ______ ________we going to meet?At 11:30.And ____?Outside our school gate. 用盾组五个词语 矛和盾的组词 英文信,结尾真诚的是用sincere还是sincerely,速回 写英文书信时sincerely与sincere用法的区别 Class2 will go for a picnic.They made___6 o'clock to meet zr the foot of Mt.Tai.A.it B.that C.them D.\ 第七题 第四小问 Class2 will go for a picnic.They made ___6 o'clockto meet at the foot of Mt.Tai.A.itB.thatC.themD.\ 科学题,第4小问 予字怎么组词 给每个字组三个词.集( )( )给每个字组三个词.集( )( )( )社( )( )( )冒( )( )( ) 英语翻译Your eyes maybe wholeBut the story I'm toldIs your heart is as black as nightYou lips maybe sweetSuch that I can't competeBut your heart is as black as nightI don't know why it came alongAt such a perfect timeBut if I let you hang aroundI 请教第4题 第四题怎么求 好想看,三国演义读后感作文400字,有劳呵 give birth to a child这句话中的借此to该怎样理解? 高价寻找,三国演义读后感作文400字,有劳呵 特别想欣赏,三国演义读后感作文400字,有劳呵 希望有亲告诉,三国演义读后感作文400字,有劳呵 求一篇新闻作文,500字,一定要最新的新闻, |3.14-π|-π= 绝对值等于3的负整数有（ ）个,整数有（ ）如果a、b互为相反数,那么1/3（a+b）=根据以下条件计算 |a|+|b|的值①a=-3 b=0②a=1.7 b=-2.3已知|x-4|+|y+1|=0,求x,y的值已知|1-m|+|n+2|=0,则m+n的值为 I sak mysef:In your heart, I know, I mean little to you.的汉语意思..高手翻译一下! Imust f() the l() pen.I like it very much.f（ind）!l（）!card lost，ID，is，my（）连词成句（问句）》 ————————？ My pen pal like watching TV very much哪错了 you know you who you are it feeling in your heart and you body ……两句歌词这个是什么歌 My teacher told me to English people as much as I can to practice my English.怎么翻译 写一篇《国庆变迁》为题的作文 Here you can see ___ the home page looks like.空格处填什么好