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Sagot :

NIPUNBACHU

Réponse :

Exercice 8

a) ( -4 ) X ( -5 ) = 20

b) (-13) X 3 = -39

c) (-6) X 7 = -42

d) (-11) X (-11) = 121

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Exercice 9

a)  4 X (-25) = -100

b) (-2,9) X (-10) = 29

c) (-1) X 17 = -17

d) 33 X (-3) = -99

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