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Sagot :

Réponse :

Exercice 8)

a.

2/3 = 2*4/3*4 = 8/12

or 8/12 < 9/12

donc 2/3 < 9/12

b.

6/9 = 6*4/9*4 = 24/36

or 24.2/36 > 24/36

donc 24.2/36 > 6/9

c.

1/5 = 1*5/5*5 = 5/25

or 5/25 > 4/25

donc 1/5 > 4/25

d.

3/1 = 3*7/1*7 = 21/7

or 31/7 > 19/7

donc 3 > 19/7

Exercice 9)

a. <

b. >

c. >

d. <

e. >

f. >

g. <

h. <

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