Corrigé de l'exercice 1 en mathématiques

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Questions and Answers

Comment peut-on simplifier l'expression $2160+4√90-2√√40$?

  • $16√10$ (correct)
  • $12√10$
  • $14√10$
  • $10√10$

Quel est le résultat de l'expression $(2√6-5√10)^2$?

  • $-104√60$
  • $-116√60$
  • $-104√10$
  • $-116√10$ (correct)

Quel est le résultat de l'expression $9×5+30√10+25×2$?

  • $90$
  • $85$
  • $65$ (correct)
  • $72$

Que vaut l'expression $8√10+12√10-4√10$?

<p>$12√10$ (A)</p> Signup and view all the answers

Comment peut-on simplifier l'expression $2x4x √10+4 × 3 × √10 -2x2x√10$?

<p>$8x√10$ (B)</p> Signup and view all the answers

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