Bonjour, comment trouver le résultat, merci beaucoup

Bonjour,

(√9-(1/3))²-(√4+(3/9)) = (3-(1/3))²-(2+(3/9)) = = (8/3)²-2-(3/9) = 8²/(3²)-2-(3/9) = (64/9)-(18/9)-(3/9) = (64-18-3)/9 = 43/9