\int_{1}^{2}{sin(x)}
\sum_{n=1}^{6}{n}
http://latex.codecogs.com/gif.latex?%5Cint_%7B1%7D%5E%7B2%7D%7Bsin%28x%29%7D
总算成功了
呵呵呵
支持:loveliness:
http://latex.codecogs.com/gif.latex?%5Csqrt%7B4%7D%5Cleq%206
http://latex.codecogs.com/gif.latex?%5Csum_%7Bi%3D1%7D%5E%7Bi%3D2%7D%7Bf%28x_%7Bi%7D%29%7Dhttp://latex.codecogs.com/gif.latex?%5Csum_%7Bi%3D1%7D%5E%7Bi%3D2%7D%7Bf%28x_%7Bi%7D%29%7D%20%7B%5Ccolor%7Bred%7D%20%7D
\sum{a}
\bigcap_{cv}^{}{}
\alpha *\beta =\kappa \kappa
\alpha *\beta =\kappa \kappa \eta
\alpha *\beta =\kappa \kappa \eta