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Sagot :

MPOWER

Réponse :

Bonjour,

Exercice 104

a) √18

= √9 × √2

= 3√2

b) √200

= √100 × √2

= 10√2

c) √54

= √9 × √6

= 3√6

d) √24

= √4 × √6

= 2√6

Exercice 105

a) 2√2 – 5√2 + 4√2

= –3√2 + 4√2

= √2

b) –√5 + 2√5 + 4√5

= √5 + 4√5

= 5√5

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