*默认不支持换行的数学公式
1.
(a+b=c)
$a+b=c$
2.
[a+b=c]
$$a+b=c$$
3.
$alpha$
$alpha$
$pi$
$pi$
4.
$Gamma$
5.
$a<b<etallPsi$
$aequiv b$
$$\equiv$$
$$a=b$$
$$a otin b cin d $$
6
$int$
$iint$
$iiint$
7.
$$C_{1} qquad int_{x} $$
$$Sigma_{C_{i}}quad Psi$$
$$a_{i} b_{i}$$
8.
$$C_1+C_2$$
$$C_ {m,n} $$
$${C_{i^2}}^2 = a^2+b^{int_{x}}$$
9.
$$e^{x^2} eq e^{x^2}$$
$${sinalpha}^2+{coseta}^2 equiv 1$$
10.
$$sqrt{x+y}= sqrt{Sigma_{i=1}^{n} x}$$
$sqrt{a}$
$$a=bcdot c a=bdot c$$
10.
$$lim_{x ightarrow 0} frac {sin x}{x}=1$$
11.
$$overline{a} quad underline{m+n}$$
12.
$$underbrace{int_{a_1}^{a_2}f_1(x)dx+int_{a_2}^{a_3}f_2(x)dx+cdots+int_{a_{n-1}}^{a_n}f_n(x)dx}_{iint_{Sigma_{i=1}^{n} g(b_i) dx}}$$
13.
$$y'=3widetilde a$$
14.
$$overrightarrow{AC}=overrightarrow{AB}+overrightarrow{BC}$$
15.
$$xin mathbb{R} x^2>=0$$
16.
$${nchoose m} qquad {xatop y+2} quad ({xatop y+2})$$
$$C_({xatop y+2})$$
17.
$${int_{0}^{frac{pi}{2}}}$$
$$sum_{i=1}^{n}$$
$$prod_ epsilon$$
18.
$$1+left(frac {1}{1-x^2} ight)^3 qquad 1+(frac {1}{1-x^2})^2$$
19.
$$left(underbrace{int_{a_1}^{a_2}f_1(x)dx+int_{a_2}^{a_3}f_2(x)dx+cdots+int_{a_{n-1}}^{a_n}f_n(x)dx}_{iint_{Sigma_{i=1}^{n} g(b_i) dx}} ight)= Psi $$
20.
$$a=b$$
$$egin{Bmatrix} 1 & 2 & 3 \ 4 & 5 & 6 \ 7 & 8 & 9 end{Bmatrix} ag{1} $$
21.
$$mathbf{X} = left( egin{array}{ccc} x_{11} & x_{12} & ldots \ x_{21} & x_{22} & ldots \ vdots & vdots & ddots end{array} ight) $$
22.
$$mathbf{X} = left( egin{array}{ccc} x_{11} & x_{12} & ldots \ x_{21} & x_{22} & ldots \ vdots & vdots & ddots end{array} ight) ag{2}$$
$mathbf{X} = left( egin{array}{ccc} x_{11} & x_{12} & ldots \ x_{21} & x_{22} & ldots \ vdots & vdots & ddots end{array} ight) ag{1}$
23.
$$ left[ egin{matrix} 1 & 2 & cdots & 4 \ 7 & 6 & cdots & 5 \ vdots & vdots & ddots & vdots \ 8 & 9 & cdots & 0 \ end{matrix} ight] $$
24.
$$ left[ egin{array}{cc|c} 1 & 2 & 3 \ 4 & 5 & 6 end{array} ight] ag{7} $$
25.
$$sum_{i=1}^n a_i=0$$
$$f(x)=x^{x^x}$$
26.
$$mbox{已知$a>0,$任意的$bin mathbb{R},a+b>0$的概率和$a$的关系$.$}$$
27.
$$
1=1
$$
$$1=1$$
28.
$$sqrt[3]{x}$$
29.
$$f(x_1,x_x,ldots,x_n) = x_1^2 + x_2^2 + cdots + x_n^2 $$
30.
$$[f(x,y,z) = 3y^2 z left( 3 + frac{7x+5}{1 + y^2} ight).]$$
31.
$$left. frac{du}{dx} ight|_{x=0}.$$
32.
$$egin{eqnarray*}cos 2 heta & = & cos^2 heta - sin^2 heta \ & = & 2 cos^2 heta - 1.end{eqnarray*}$$
代码:
1.
(a+b=c)
$a+b=c$
2.
[a+b=c]
$$a+b=c$$
3.
$alpha$
$alpha$
$pi$
$pi$
4.
$Gamma$
5.
$a<b<etallPsi$
$aequiv b$
$$\equiv$$
$$a=b$$
$$a
otin b cin d $$
6
$int$
$iint$
$iiint$
7.
$$C_{1} qquad int_{x} $$
$$Sigma_{C_{i}}quad Psi$$
$$a_{i} b_{i}$$
8.
$$C_1+C_2$$
$$C_ {m,n} $$
$${C_{i^2}}^2 = a^2+b^{int_{x}}$$
9.
$$e^{x^2}
eq e^{x^2}$$
$${sinalpha}^2+{coseta}^2 equiv 1$$
10.
$$sqrt{x+y}= sqrt{Sigma_{i=1}^{n} x}$$
$sqrt{a}$
$$a=bcdot c a=bdot c$$
10.
$$lim_{x
ightarrow 0} frac {sin x}{x}=1$$
11.
$$overline{a} quad underline{m+n}$$
12.
$$underbrace{int_{a_1}^{a_2}f_1(x)dx+int_{a_2}^{a_3}f_2(x)dx+cdots+int_{a_{n-1}}^{a_n}f_n(x)dx}_{iint_{Sigma_{i=1}^{n} g(b_i) dx}}$$
13.
$$y'=3widetilde a$$
14.
$$overrightarrow{AC}=overrightarrow{AB}+overrightarrow{BC}$$
15.
$$xin mathbb{R} x^2>=0$$
16.
$${nchoose m} qquad {xatop y+2} quad ({xatop y+2})$$
$$C_({xatop y+2})$$
17.
$${int_{0}^{frac{pi}{2}}}$$
$$sum_{i=1}^{n}$$
$$prod_ epsilon$$
18.
$$1+left(frac {1}{1-x^2}
ight)^3 qquad 1+(frac {1}{1-x^2})^2$$
19.
$$left(underbrace{int_{a_1}^{a_2}f_1(x)dx+int_{a_2}^{a_3}f_2(x)dx+cdots+int_{a_{n-1}}^{a_n}f_n(x)dx}_{iint_{Sigma_{i=1}^{n} g(b_i) dx}}
ight)= Psi $$
20.
$$a=b$$
$$egin{Bmatrix} 1 & 2 & 3 \ 4 & 5 & 6 \ 7 & 8 & 9 end{Bmatrix} ag{1} $$
21.
$$mathbf{X} = left( egin{array}{ccc} x_{11} & x_{12} & ldots \ x_{21} & x_{22} & ldots \ vdots & vdots & ddots end{array}
ight) $$
22.
$$mathbf{X} = left( egin{array}{ccc} x_{11} & x_{12} & ldots \ x_{21} & x_{22} & ldots \ vdots & vdots & ddots end{array}
ight) ag{2}$$
$mathbf{X} = left( egin{array}{ccc} x_{11} & x_{12} & ldots \ x_{21} & x_{22} & ldots \ vdots & vdots & ddots end{array}
ight) ag{1}$
23.
$$ left[ egin{matrix} 1 & 2 & cdots & 4 \ 7 & 6 & cdots & 5 \ vdots & vdots & ddots & vdots \ 8 & 9 & cdots & 0 \ end{matrix}
ight] $$
24.
$$ left[ egin{array}{cc|c} 1 & 2 & 3 \ 4 & 5 & 6 end{array}
ight] ag{7} $$
25.
$$sum_{i=1}^n a_i=0$$
$$f(x)=x^{x^x}$$
26.
$$mbox{已知$a>0,$任意的$bin mathbb{R},a+b>0$的概率和$a$的关系$.$}$$
27.
$$
1=1
$$
$$1=1$$
28.
$$sqrt[3]{x}$$
29.
$$f(x_1,x_x,ldots,x_n) = x_1^2 + x_2^2 + cdots + x_n^2 $$
30.
$$[f(x,y,z) = 3y^2 z left( 3 + frac{7x+5}{1 + y^2}
ight).]$$
31.
$$left. frac{du}{dx}
ight|_{x=0}.$$
32.
$$egin{eqnarray*}cos 2 heta & = & cos^2 heta - sin^2 heta \ & = & 2 cos^2 heta - 1.end{eqnarray*}$$