je dois calculer l expression suivante -19/2+7/3

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Grade: Education Subject: mathematiques
je dois calculer l expression suivante -19/2+7/3
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(80)
tu la mets au même dénominateur

- 19/2 + 7/3 = - 57/6 + 14/6 = - 43/6
(108)
- 19/2 + 7/3
= - (19 x 3)/(2 x 3) + (7 x 2)/(3 x 2)
= - 57/6 + 24/6
= - 43/6