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Sagot :

VINS

bonjour,

A = - 5 /6 + 1 /8

  =  - 20/24 + 3 /24

 = - 17 /24

B  =  66 / 40  = 33 /20

C  =  - 7 /6 * - 9 /5

   = 63/30

   =  21/10

d =  - 14 /5 * 15 /26

  = - 210 / 130

  =  - 21 /13

Réponse :

salut ;)

Explications étape par étape

A= -5/6 +1/8

= -40/48+ 6/48

= -34/48 = -17/24

B= -11/8 × -6/-5

=  66/-40 = 33/-20

c= -7/6 × -9/5

=  63/30 = 21/10

D= 7× -2/5× 15/26

= -14/5 × 15/26

= -14 × 3/26 = -42/26

= -21/13

bonne chance :)

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