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Dyson
@Dyson
April 2022
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boujour on pourrait m'aider svp ? je ne cromprend vrm rien pour le coup (4eme) aucune vidéo ytb quelqu'un pourrait m'expliquer svp ?
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maudmarine
BonjourA = 7/2 + 9/7 : 1/14A = 7/2 + 9/7 x 14A = 7/2 + 126/7A = (7 x 7) / (2 x 7) + (126 x 2) / (7 x 2)A = 49/14 + 252/14A = 301/2B = - 9/13 : - 1/30 x - 13/17B = - 9/13 x - 30 x - 13/17B = 270/13 x - 13/17B = - 3 510/221B = (13 x - 270) / (13 x 17B = - 270/17C = - 2/9 + 13/3 - - 5/18C = (- 2 x 2) / (9 x 2) + (13 x 6) / (3 x 6) + 5/18C = - 4/18 + 78/18 + 5/18C = 79/18D = - 3/20 + 6/31 : - 1/31D = - 3/20 + 6/31 x - 31D = - 3/20 - 186/31D = - 3/20 - 6D = - 3/20 - (6 x 20) / (1 x 20)D = - 3/20 - 120/20D = - 123/20
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Dyson
merci
acolom
Bonjour, attention erreur d'énoncé au A et erreur de signe au C. ;)
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