| 公式编辑器的不足 | 域是什么东东,EQ域又是什么东东? |
| EQ域的十个开关及使用实例 | 域操作的快捷键 |
| EQ域的应用实例 | 常用数学公式EQ域代码 |
{EQ \o\ac(\s\up2(
),AB)}
{EQ \o\ac(\s\up2(
),AB)}
{EQ \o\ac(\s\up4(
),OA)}
{EQ \o\ac(\s\up-2(
),AmB)}
A(≠B A{EQ \o\ac(\s\up7(
),\s\do2(≠))}B

{EQ \B\lc\{(\a\al\co2(21x+3y+z=25 , ⑴,6x-12y+3z=-3 , ⑵,x+y+2z=4 , ⑶))}
{EQ \X\le\ri(\a\ac\co3\hs5( 1, 2, 3, 4, 5, 6, 7, 8, 9))}
{EQ \x\le\ri(\a\ac\co2\vs5\hs12(a\s( ,11),a\s( ,12),a\s( ,21),a\s( ,22)))
{EQ \B\bc\│(a) = \B\LC\{(\A\ar(a (a>0),0 (a=0),-a (a<0)))}

{EQ \r(,xy)}+{EQ \r( ,x\s\up6(4, )y)}+{EQ \r( x\s\up2(4 )y\s\up2(6 ))+\f(1,2)xy}+{EQ \f( \r( x\s\up2(4 )y\s\up2(6 ))+\f(1,2)xy,2x\s\up2(2 )y\s\up2(2))}

{EQ \f(1,2)}+{EQ 3 \f(1,2)}+{EQ \f(b,a)}+{EQ \f(a-b,a)}+{EQ \f(a-b,a\s(2))}+{EQ \f((a+b)×(a-b),a\s(2))}+{EQ \f(\f(1,2)(a+b)×(a-b),\f(2,3)a\s(2))}
{EQ A\S(2,3)}
{EQ C\S(2,3)}
P(A)= P(A)={EQ C\S(5,10) p\S( 3) q\S( 5-3)}
P(A)= P(A)={EQ \f(C\S(3,4) C\S(10,48),C\S(13,52))}
{EQ \I \SU(i=1,5,a\s(i))}
{EQ \I\SU(i =1,5,a\s( ,i))}
{EQ \I\SU(\l(i,j )=1,\l(3,5),a\s( ,i j))}
{EQ \I\in(1,5, x\s(2)+3x-2) dx}
{EQ \I\pr(i =1,5,a\s( ,i))}
{EQ \O\ac(\s\up16(5),
,\s\do12(i=1))a\s( ,i)}
{EQ \O\ac(\s\up16(5),P,\s\do10(i=1)) a\s( ,i)}
{EQ \B\bc\│(a) = \B\LC\{(\A\ar(a (a>0),0 (a=0),-a (a<0)))}
{EQ \o(\s\up12( . . . ),12.345)}
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