17 + 18 + 20 {\displaystyle 17+18+20}
s u m i = 1 10 i {\displaystyle sum_{i=1}^{10}i}
( 8 3 ) − 1 {\displaystyle {\binom {8}{3}}-1}
Failed to parse (syntax error): {\displaystyle }binom{6}{3} + \binom{7}{3}}
