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Sagot :

MAUDMARINE

Bonjour

E = 21/32 x 108/49

E = 2 268/1 568

E = (28 x 81) / (28 x 56)

F = 81/56

G = 8/5 x - 5/21 x (- 9/16)

G = - 40/105 x (- 9/16)

G = 360/1 680

G = (120 x 3) / (120 x 14)

G = 3/14.

HAMELINE

Réponse :

Exercice 47 :

[tex]E = \frac{21}{32} *\frac{108}{49} \\\\E = \frac{7*3*27*4}{8*4*7*7}\\\\E = \frac{3*27}{8*7} \\\\E = \frac{81}{56}[/tex]

[tex]G = \frac{8}{5} *\frac{-5}{21} *(\frac{-9}{16} )\\\\G = \frac{8*(-5)*(-3)*3}{5*7*3*8*2}\\\\G = \frac{3}{7*2} \\\\G = \frac{3}{14}[/tex]

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