fraction 6 sur 7 - 4 sur7 x 5sur2​

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Grade: Education Subject: mathematiques
fraction 6 sur 7 - 4 sur7 x 5sur2​
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Bonjour,

6/7 - 4/7 * 5/2 (multiplication prioritaire)

6/7 - (4 * 5)/(7 * 2)

6/7 - 20/14

(6 * 2)/(7*2) - 20/14

12/14 - 20/14 = -8/14 = -4/7