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Sagot :

JODEVI

Réponse :

N.40

a. 5/2

b. - 7/3

c. - 5/15 = -1/3

d. - 17/8

e. 1/5


N.41

a. 0,7/1 = 7/10

b. 7,2/3 = 72/30 = 2,4

c. 2/0,5 = 20/5 = 4

d. - 30/7,5 = - 60/15 = - 4

e. 1/3

f. 1/(1+1/2) = 1/(3/2) = 2/3

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