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Sagot :

Bonsoir;

A= 39/-24x 18/65

(39*18) / ( -24* 65 )

= 702/ -1 560

= -351/780

= -117/260

= -9/20

B= 45/49x 35/54

(45*35)/( 49* 54 )

= 1 575/2 646

=525/882

=175/294

= 25/42

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