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求学霸,中考的50篇古诗词是什么?内容?必采纳!...

第一问会吗

(1)物质本身的性质(2)温度

9.配制前后的溶质的质量不变,根据这个原理得到:设配之前的质量为x,则: x×98%=稀释后的质量×20%即:98%x=1000×1.14×20% ;解方程就可得到需要的浓硫酸的质量;再用质量除以浓硫酸的密度1.84就得到体积; 稀释溶液需要加水,所以蒸馏水的质量=...

My favourite subject My favourite subject is English,because there is lots of fun in it.Also our English teacher is very interested.Besides,I think English as a language can be used in my future life,and I want to talk with ...

原来速度 减少的速度 原来速度 七分之六.

和气的说话,和谐的社会,和煦的阳光,宽大的胸怀,宽容的品德,宽阔的草原,美好的时光,美丽的衣服,美妙的旋律

《归园田居 其一》 年代:魏晋 作者: 陶渊明 少无适俗韵,性本爱丘山。 误落尘网中,一去三十年。(误落 一作:误入) 羁鸟恋旧林,池鱼思故渊。 开荒南野际,守拙归园田。 方宅十余亩,草屋八九间。 榆柳荫后檐,桃李罗堂前。 暧暧远人村,依依墟...

let y=1/x y->0 (1+3y^2)^(1/3) ~ 1 (1-2y)^(1/4) ~ 1- (1/2)y (1+3y^2)^(1/3) - (1-2y)^(1/4) ~ (1/2)y ------------- lim(x->+∞) [ (x^3+3x)^(1/3) - (x^4-2x^3)^(1/4) ] =lim(x->+∞) [ x(1+3/x^2)^(1/3) - x(1-2/x)^(1/4) ] =lim(y->0) [ (1+...

When is Tom going to move? Who wanted to sell the house? Where did you get this lovely hat? What did they do this morning? How long has she lived here?

我从哪里让我的琴声逃过你的耳朵呢?

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