BJR PITIE URGENCEEEEEEE POUR DEMAIN SVP.... Pergunta de ideia de4eme

April 2019 1 70 Report

BJR PITIE URGENCEEEEEEE POUR DEMAIN SVP

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Aline17 Ex 2 : A = -4/15/-16/25 = -4/15 * -25/16 = 100/240 = 10/24= 5/12

B= -12/-14/18/7 = -12/-14 * 7/18 = -84/-252 = 1/3

Exercice 3 :
A = c/a+b = 5/6/4/5-2/3 = 5/6 / 12/15 - 10/15 = 5/6 / 2/15 = 5/6 * 15/2 = 75/12 = 25/4

B = a*b / c = 4/5* (-2/3) / 5/6 = -8/15 * 6/5 = -48/75 = -16/25

C = a+b/ c+ b = (4/5 - 2/3) / (5/6 - 2/3)= (12/15 - 10/15)/ (15/18 - 12/18) = 2/15/3/18 = 2/15 * 18/3 = 36/75 = 4/5

C'est que la moitié mais j'espère que ça t'aideras :)

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