👤

Sagot :

Bonjour,

Calculer:

B= [tex]\sqrt{442.5-49*2.5} /\sqrt{5}[/tex]

B= [tex]\sqrt{442.5-122.5}/ \sqrt{5}[/tex]

B= [tex]\sqrt{320} /\sqrt{5}[/tex]

B= [tex]\sqrt{64*5} /\sqrt{5}[/tex]

B= [tex]8\sqrt{5} /\sqrt{5}[/tex]

B= 8

© 2024 IDNLearn. All rights reserved.