Обсуждение:Ora
Материал из Поле цифровой дидактики
[math]\displaystyle{ x = \frac{-b\pm\sqrt{b^2-4ac}}{2a} }[/math]
Law of Sines:
[math]\displaystyle{ \frac{\sin A}{a}=\frac{\sin B}{b}=\frac{\sin C}{c} }[/math]
The Law of Sines relates each side length of any triangle to its opposite angle by using sines.
Distance
[math]\displaystyle{ d = \sqrt{(x_2 - x_1)^2 + (y_2 - y_1)^2} }[/math]
[math]\ce{
H2O
}[/math]
[math]\ce{ H2O2 }[/math]
Aspirin [math]\ce{ C9H8O4 }[/math]
