1 \documentclass[a4paper,oneside]{article}
8 \[\binom{n}{k}\qquad \tbinom{n}{k} \qquad \dbinom{n}{k}\]
10 \ifx\directlua\undefined
11 \fontdimen20\textfont2=40pt
12 \fontdimen21\textfont2=40pt
14 \Umathfractiondelsize\displaystyle=40pt
15 \Umathfractiondelsize\textstyle=40pt
19 \binom{n}{k}\qquad \tbinom{n}{k} \qquad \dbinom{n}{k}$}