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Sagot :

MAUDMARINE

Bonjour

a. - 3 : - 3/4

= - 3 x - 4/3

= 12/3

= 4

b. - 9 : - 1/3

= - 9 x - 3

= 27

c. 60/7 : - 4/21

= 60/7 x - 21/4

= - 1 206/28

= (28 x - 45) / (28 x 1)

= - 45.

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