DM de mathématiques.Aidez moi svpExercice:A= (fois) B= (fois)C=2 (fois) D=11 (fois) 2.... Pergunta de ideia deLoriie

April 2019 1 43 Report

DM de mathématiques.Aidez moi svp
Exercice:
A= $\sqrt{27}$ (fois) $\sqrt{108}$
B= $\sqrt{98}$ (fois) $\sqrt{32}$
C=2 $\sqrt{42}$ (fois) $\sqrt{54}$
D=11 $\sqrt{12}$ (fois) 2 $\sqrt{18}$

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charlotte49 A=V27x V108
= V 9x3 x V 36x3
= 3V3 x 6V3
=3x6 V 3x3
=18x3
=54
B= V98x V32
= V 49x2x V 16x2
=7V2 x4V2
=7x4V2x2
=28x2
=56
C=2V42x V 54
= 2V7x6 x V 9x6
= 2V7x6 x3V6
=2x 3x V7x6x6
=6x6V7
=36V7
D=11V12x2V18
= 11V4x3 x2V9x2
=11x2V3x2x3V2
=22x6V3x2
=132V6

1 votes Thanks 1

Loriie juste.Pour le C. a la 3ème ligne. C'est V7*6*6 ou V7 *6*6?

Loriie ok merci bcp! :)

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