# Yahoo奇摩 網頁搜尋

1. ### percentages的project!(20點)

In mathematics, a percentage is a way of expressing a number as a fraction of 100...increase of \$ 0.15 on a price of \$ 2.50 is an increase by a fraction of 0.15 / 2.50 = 0.06. Expressed as a...

分類：科學及數學 > 數學 2008年02月24日

2. ### proof-sphere in a cylinder(3D)

...hemisphere. Surround it by a cycliner of the same radius as the hemisphere... and seeing that the way the radius of the circular cross...cone changes match up. Conclusion (General principle...

分類：科學及數學 > 數學 2007年09月08日

3. ### 怪微分方程

...function of x and a function of y equals to a constant... is only one way out: both functions...x(y)=(1-A)/2*y^2+ by +c. If A ... a contradiction. Conclusion : At a time we specify...

分類：科學及數學 > 數學 2010年02月23日

4. ### M2 differential

...;x<90° there is no solution in this case. In conclusion , 0°<x < cos⁻¹(1/√3). PS...

分類：科學及數學 > 數學 2012年08月18日

5. ### Is C^2 "isomorphic" to R^4 ?

...open set is the union of balls: for R...multiplication rule, given by complex number. R...you multiply). In this way , C and R^2... what is the conclusion of our story? It...

分類：科學及數學 > 數學 2007年04月05日