数学公式

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换行

$$
\begin{aligned}a=b+c\\b=c-a\\c=a+b \end{aligned}
$$

$$
\begin{aligned}a=b+c\b=c-a\c=a+b \end{aligned}
$$

$$
\begin{matrix}已知y=\sqrt{x+3}&&(x>=0)\\求y的最大值是多少 \end{matrix}
$$

$$
\begin{matrix}已知y=\sqrt{x+3}&&(x>=0)\求y的最大值是多少 \end{matrix}
$$

$$
\begin{bmatrix}已知y=\sqrt{x+3}&&(x>=0)\\求y的最大值是多少 \end{bmatrix}
$$

$$
\begin{bmatrix}已知y=\sqrt{x+3}&&(x>=0)\求y的最大值是多少 \end{bmatrix}
$$

$$
\begin{Bmatrix}已知y=\sqrt{x+3}&&(x>=0)\\求y的最大值是多少 \end{Bmatrix}
$$

$$
\begin{Bmatrix}已知y=\sqrt{x+3}&&(x>=0)\求y的最大值是多少 \end{Bmatrix}
$$

$$
 \begin{vmatrix}
 0&1&2\\
 3&4&5\\
 6&7&8\\
 \end{vmatrix}
$$

$$
\begin{vmatrix}
0&1&2\
3&4&5\
6&7&8\
\end{vmatrix}
$$

$$
 \begin{Vmatrix}
 0&1&2\\
 3&4&5\\
 6&7&8\\
 \end{Vmatrix}
$$

$$
\begin{Vmatrix}
0&1&2\
3&4&5\
6&7&8\
\end{Vmatrix}
$$

关系运算符和二进制运算符

$$
\begin{matrix}
\ast & \backslash ast & \pm & \backslash pm & \cap & \backslash cap & \lhd & \backslash lhd \
\star & \backslash star & \mp & \backslash mp & \cup & \backslash cup & \rhd & \backslash rhd \
\cdot & \backslash cdot & \amalg & \backslash amalg & \uplus & \backslash uplus \
\circ & \backslash circ & \odot & \backslash odot & \sqcap & \backslash sqcap \
\bullet & \backslash bullet & \ominus & \backslash ominus & \sqcup & \backslash sqcup \
\bigcirc & \backslash bigcirc & \oplus & \backslash oplus & \wedge & \backslash wedge \
\diamond & \backslash diamond & \oslash & \backslash oslash & \vee & \backslash vee \
\times & \backslash times & \otimes & \backslash otimes & \dagger & \backslash dagger \
\div & \backslash div & \wr & \backslash wr & \ddagger & \backslash ddagger \
\centerdot & \backslash centerdot & \Box & \backslash Box & \barwedge & \backslash barwedge \
\circledast & \backslash circledast & \boxplus & \backslash boxplus & \curlywedge & \backslash curlywedge \
\circledcirc & \backslash circledcirc & \boxminus & \backslash boxminus & \Cap & \backslash Cap \
\circleddash & \backslash circleddash & \boxtimes & \backslash boxtimes & \bot & \backslash bot \
\dotplus & \backslash dotplus & \boxdot & \backslash boxdot & \intercal & \backslash intercal \
\divideontimes & \backslash divideontimes & \square & \backslash square & \doublebarwedge & \backslash doublebarwedge \ \
\equiv & \backslash equiv & \leq & \backslash leq & \geq & \backslash geq & \perp & \backslash perp \
\cong & \backslash cong & \prec & \backslash prec & \succ & \backslash succ & \mid & \backslash mid \
\neq & \backslash neq & \preceq & \backslash preceq & \succeq & \backslash succeq & \parallel & \backslash parallel \
\sim & \backslash sim & \ll & \backslash ll & \gg & \backslash gg & \bowtie & \backslash bowtie \
\simeq & \backslash simeq & \subset & \backslash subset & \supset & \backslash supset & \Join & \backslash Join \
\approx & \backslash approx & \subseteq & \backslash subseteq & \supseteq & \backslash supseteq & \ltimes & \backslash ltimes \
\asymp & \backslash asymp & \sqsubset & \backslash sqsubset & \sqsupset & \backslash sqsupset & \rtimes & \backslash rtimes \
\doteq & \backslash doteq & \sqsubseteq & \backslash sqsubseteq & \sqsupseteq & \backslash sqsupseteq & \smile & \backslash smile \
\propto & \backslash propto & \vdash & \backslash vdash & \dashv & \backslash dashv & \frown & \backslash frown \
\models & \backslash models & \in & \backslash in & \ni & \backslash ni & \notin & \backslash notin \
\end{matrix}
$$