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Marinela92
@Marinela92
May 2020
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Bonjour,
-4/9 - 2/3 + 9/2 x 8/27`
merci d'avance
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swnn
-4/9 - 2/3 + 9/2 * 8/27
→ faire la multiplication en 1er (règles de priorité)
= -4/9 - 2/3 + (9*4*2)/(2*9*3)
= -4/9 - 2/3 + 4/3
→ mettre tout sur le meme dénominateur (ici 9)
= -4/9 - 6/9 + 12/9
= 2/9
2 votes
Thanks 1
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→ faire la multiplication en 1er (règles de priorité)
= -4/9 - 2/3 + (9*4*2)/(2*9*3)
= -4/9 - 2/3 + 4/3
→ mettre tout sur le meme dénominateur (ici 9)
= -4/9 - 6/9 + 12/9
= 2/9