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Sagot :

Bonsoir,

A= 5/17 / 2/32

= 5/17 / 1/16

= 5/17 *16 =>80/17

C= 7/5 / -6/21

7/5 / -2/7

= 7/5 * -7/2

= -49/10

E = -7/5 + 21/ 60

= -7/5 + 7/20

= -28/20 +7/20

= -21/20

B= 11/20 - 12/23 * -23/2

= 11/20 + 276/46

= 11/20 + 6

=11/20 + 18/20

= 29/20

D= -11/2 -( 49/21 -13/21)

= -11/2 + 36/21

= -1/2 + 12/7

= -7/14 + 24/14

17/14

F= -8/5 + 7/3 * 32/5

et je te laisse finir.

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