Bonjour jai besoin daide c tres urgent sil vous plait B=19/4-[1/2-(3/8-1/4)] C=14/30-(1/5-1/6. D=24/15-[2/3-(11/5-2)] E=(750/100-3)-(5-43/10) aidez moi mrc beaucoup pour ceux ou celle qui maideron
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Bonsoir,B=19/4-[1/2-(3/8-1/4)]
B = 19/4 - [1 x 4 / 2 x 4 - (3/8 - 1 x 2 / 4 x 2)]
B = 19/4 - [4/8 - (3/8 - 2/8)]
B = 19/4 - (4/8 - 1/8)
B = 19 x 2 / 4 x 2 - 3/8
B = 38/8 - 3/8
B = 35/8
C=14/30-(1/5-1/6)
C = 14/30 - (1 x 6 / 5 x 6 - 1 x 5 / 6 x 5)
C = 14/30 - (6/30 - 5/30)
C = 14/30 - 1/30
C = 13/30
D=24/15-[2/3-(11/5-2)]
D = 24/15 - [2 x 5 / 3 x 5 - (11 x 3 / 5 x 3 - 2 x 15 / 1 x 15)]
D = 24/15 - [10/15 - (33/15 - 30/15)]
D = 24/15 - (10/15 - 3/15)
D = 24/15 - 7/15
D = 17/15
E=(750/100-3)-(5-43/10)
E = (750/100 - 3 x 100 / 1 x 100) - (5 x 100 / 1 x 100 - 43 x 10 / 10 x 10)
E = (750/100 - 300/100) - (500/100 - 430/100)
E = 450/100 - 70/100
E = 380/100
E = 20 x 19 / 20 x 5
E = 19/5