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Avec  les calculs intermediaires 
Calculer et donner le résultat sous la forme la plus simple possible 
5/3+7/9      8/12-7/3         11/25-2/100    -6/5*7/24              -4/-7*-9/15     3/8*24

Sagot :

MAUDMARINE
5/3+7/9 = 5x3/3x3 + 7/9 = 15/9 + 7/9 = 22/9

8/12-7/3  = 8/12 - 7x4/3x4 = 8/12 - 28/12 = 20/12 = 5/3      

11/25-2/100  = 11x4/25x4 - 2/100 = 44/100 - 2/100 = 42/100 = 21/50

-6/5*7/24   = - 42/120 = -21/60 = -7/20

-4/-7*-9/15 = -4x15/-7x15 = -60/-105 - 63/105 = 3

3/8*24 = 3/8 x 24/1 = 72/8 = 9

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