QCM04

[01 h 10 min 05,862 s] http://localhost/alea/?uuid=M092023Q4&id=TSA1-QCM04&alea=jYwp [Browser error] KaTeX auto-render: Failed to parse n \in \mathbbN with ParseError: KaTeX parse error: Undefined control sequence: \mathbbN at position 8: {n \in \̲m̲a̲t̲h̲b̲b̲N̲}