The Theorem of Pythagoras(毕达哥拉斯定理) a 2 + b 2 = c 2 a^{2}+b^{2}=c^{2} a 2 + b 2 = c 2 if c c c is the length of the hypotenuse and a a a and b b b are the shorter side lengths of a right-angled triangl...
微积分，相关公式列表
Precalculus
Real line, decimals and significant figures(实线，小数，和有效数字) Sets and elements A set is a collection of objects, referred to as elements. A set may be represented, for example, by a list of elements surro...