鲂鱼

蒙日和特征理论 前面说到拉格朗日用分析法研究，而蒙日(1746-1818)引入了几何法。虽然他的贡献不如欧拉、拉格朗日和勒让德，但他开创了用几何解释分析研究的运动，引入了很多...

鲂鱼

引言 微分几何由欧拉奠基，被蒙日曲面论进一步发展，而高斯为这门学科做出了下一个重大贡献。从1816年起高斯在大地测量和地图绘制上做了大量工作，亲身参与了测量并发表了许多文章，...

鲂鱼

Yikes！Yikes！Yikes！I simply don't have a powerful brain

Freak out again

OMG I'm having a revision on maths,but each time when I meet a difficult question， I go...

鲂鱼

209 2 0

鲂鱼

No worries everyone....I'll figure it out！I'll calm down.....

Freak out again

OMG I'm having a revision on maths,but each time when I meet a difficult question， I go...

鲂鱼

209 2 0

鲂鱼

OMG I'm having a revision on maths,but each time when I meet a difficult question， I go...

鲂鱼

Give you a big fake smile

About my speech

I said I was going to fail.But today everything went well.At least I didn't faint.....A...

鲂鱼

204 2 1

鲂鱼

I said I was going to fail.But today everything went well.At least I didn't faint.....A...

鲂鱼

Ahhhhhh

Tomorrow I'm going to have a speech competition....I'll give a speech to all the teache...

鲂鱼

257 3 1

鲂鱼

Ahhhhh！！But I always want to give a perfect speech！

Ahhhhhh

Tomorrow I'm going to have a speech competition....I'll give a speech to all the teache...

鲂鱼

257 3 1

鲂鱼

Tomorrow I'm going to have a speech competition....I'll give a speech to all the teache...

鲂鱼

爷爷总斜戴着一顶蓝布帽子，穿着旧棉袄，脚踩漏出棉花的拖鞋，倚在一张破沙发上，那双浑浊的眼睛望向窗外。我轻轻叫他一声，他便回过神来，转过头，擦了擦眼睛，脸上绽放出了笑容。可我每...

鲂鱼

我和父亲的距离，似乎有点远。平时，除了他上学送我，放学接我，见两次面，就是看见他在窗台上，不知在想什么。一会，窗台上烟雾缭绕。他的两鬓被烟熏的花白。他回头看到我，显得有些尴尬...