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BRYAN57
Answered

Bonjour j'aimerai avoir de l'aide pour cette exercice svp Merci c=(4/5-1/3) x (2/15+4/15) d=4/5- 1/3 x 2/15 + 4/15

Sagot :

(4/5 -1/3) x ( 2/15 + 4/15)
= (12/15-5/15)x(6/15)
=7/15x6/15
=42/225

4/5-1/3x2/15+4/15
4/5-2/45+4/15
36/45-2/45+12/45
46/45
DEXTER8

C = 4*3/5*3 - 1*5/3*5) * 6/15 = (12/15 - 5/15) * 6/15 = 7/15 * 6/15 = 14/75

 

D = 7/15 * 2/15 + 4/15 = 14/225 + 4/15 = 14/225 + 4*25/15*15 = 14/225 + 100/225 = 114/225

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