<<< native
[ EArray
    [ AlignCenter , AlignCenter , AlignCenter ]
    [ [ []
      , [ EText TextNormal "ds=true" ]
      , [ EText TextNormal "ds=false" ]
      ]
    , [ [ EText TextNormal "stretch=t, large=t" ]
      , [ EGrouped
            [ EDelimited
                "\8747"
                ""
                [ Right (EFraction NormalFrac (EIdentifier "x") (ENumber "5")) ]
            , ESymbol Rel "="
            , EDelimited "\8747" "" [ Right (EIdentifier "x") ]
            ]
        ]
      , [ EGrouped
            [ EDelimited
                "\8747"
                ""
                [ Right (EFraction NormalFrac (EIdentifier "x") (ENumber "5")) ]
            , ESymbol Rel "="
            , EDelimited "\8747" "" [ Right (EIdentifier "x") ]
            ]
        ]
      ]
    , [ [ EText TextNormal "stretch=f, large=t" ]
      , [ EGrouped
            [ EGrouped
                [ ESymbol Op "\8747"
                , EFraction NormalFrac (EIdentifier "x") (ENumber "5")
                ]
            , ESymbol Rel "="
            , EGrouped [ ESymbol Op "\8747" , EIdentifier "x" ]
            ]
        ]
      , [ EGrouped
            [ EGrouped
                [ ESymbol Op "\8747"
                , EFraction NormalFrac (EIdentifier "x") (ENumber "5")
                ]
            , ESymbol Rel "="
            , EGrouped [ ESymbol Op "\8747" , EIdentifier "x" ]
            ]
        ]
      ]
    , [ [ EText TextNormal "stretch=t, large=f" ]
      , [ EGrouped
            [ EDelimited
                "\8747"
                ""
                [ Right (EFraction NormalFrac (EIdentifier "x") (ENumber "5")) ]
            , ESymbol Rel "="
            , EDelimited
                "\8747"
                ""
                [ Right (EFraction NormalFrac (EIdentifier "A") (ENumber "5")) ]
            , ESymbol Rel "="
            , EDelimited "\8747" "" [ Right (EIdentifier "x") ]
            ]
        ]
      , [ EGrouped
            [ EDelimited
                "\8747"
                ""
                [ Right (EFraction NormalFrac (EIdentifier "x") (ENumber "5")) ]
            , ESymbol Rel "="
            , EDelimited
                "\8747"
                ""
                [ Right (EFraction NormalFrac (EIdentifier "A") (ENumber "5")) ]
            , ESymbol Rel "="
            , EDelimited "\8747" "" [ Right (EIdentifier "x") ]
            ]
        ]
      ]
    , [ [ EText TextNormal "stretch=f, large=f" ]
      , [ EGrouped
            [ EGrouped
                [ ESymbol Op "\8747"
                , EFraction NormalFrac (EIdentifier "x") (ENumber "5")
                ]
            , ESymbol Rel "="
            , EGrouped [ ESymbol Op "\8747" , EIdentifier "x" ]
            ]
        ]
      , [ EGrouped
            [ EGrouped
                [ ESymbol Op "\8747"
                , EFraction NormalFrac (EIdentifier "x") (ENumber "5")
                ]
            , ESymbol Rel "="
            , EGrouped [ ESymbol Op "\8747" , EIdentifier "x" ]
            ]
        ]
      ]
    ]
]
>>> tex
\begin{matrix}
 & \text{ds=true} & \text{ds=false} \\
\text{stretch=t, large=t} & {\left. \int\frac{x}{5} \right. = \left. \int x \right.} & {\left. \int\frac{x}{5} \right. = \left. \int x \right.} \\
\text{stretch=f, large=t} & {{\int\frac{x}{5}} = {\int x}} & {{\int\frac{x}{5}} = {\int x}} \\
\text{stretch=t, large=f} & {\left. \int\frac{x}{5} \right. = \left. \int\frac{A}{5} \right. = \left. \int x \right.} & {\left. \int\frac{x}{5} \right. = \left. \int\frac{A}{5} \right. = \left. \int x \right.} \\
\text{stretch=f, large=f} & {{\int\frac{x}{5}} = {\int x}} & {{\int\frac{x}{5}} = {\int x}}
\end{matrix}