Réponses

  • Utilisateur Brainly
2013-05-27T20:46:47+02:00

3√8 - (5√8+1) 

=3*2√2-5*2√2-1

=-4√2-1

 

(√10+3) - (3-4√10)

=√10+3-3+4√10

=5√10

 

(4-√32)-(√50-7)

=4-4√2-5√2+7

=-9√2+11