re coucou..encore une expression à résoudre. .. (4-1/3)-5/4×2=...Merci
Mathématiques
bibou56
Question
re coucou..encore une expression à résoudre. .. (4-1/3)-5/4×2=...Merci
2 Réponse
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1. Réponse Anonyme
(4 - 1/3) - 5/4 x 2 = (4/1 - 1/3) - 5/4 x 2 = (4x3/1x3 - 1/3) - 5/4 x 2 = (12/3 - 1/3) - 5/4 x 2 = 11/3 - 5/4 x 2 = 11/3 - 5/4 x 2/1 = 11/3 - 10/4 = 11x4/3x4 - 10x3/4x3 = 44/12 - 30/12 = 14/12 = 7/6. -
2. Réponse maudmarine
Bonsoir
(4 - 1/3) - 5/4 x 2
= (4 x 3 / 1 x 3 - 1/3) - 10/8
= (12/3 - 1/3) - 10/4
= 11/3 - 10/4
= 11 x 4 / 3 x 4 - 10 x 3 / 4 x 3
= 44/12 - 30/12
= 14/12
= 2 x 7 / 2 x 6
= 7/6