Calculer et donner le résultat sous forme d'une fraction la plus simple possible ;)
A= 35/4 x -8/15 x 3/5
B = 1 - 1/3 + 5/2
C = -5/12 : 15/16
D = 8/3 - 5/3 : 20/21
(/= sur (sous forme de fraction)
Aider moi svpppp
A= 35/4 x -8/15 x 3/5
B = 1 - 1/3 + 5/2
C = -5/12 : 15/16
D = 8/3 - 5/3 : 20/21
(/= sur (sous forme de fraction)
Aider moi svpppp
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a = 7*5/ 4 x -4*2 / 5*3 x 3/5
a =- 7x2/3 x3/5
a =-14/3 x3/5
a = -14/5
B = 1 - 1/3 + 5/2
b = 6/6-2/6+15/6
b= 21/6-2/6
b = 19/6
C = -5/12 : 15/16
c = -5/12 x 16/15
c =-5/4*3 x 4*4 /5*3
c = -4/9
D = 8/3 - 5/3 : 20/21
d = 8/3 - 5/3 x21/20
d = 8/3 - 105/60
d = 8/3 - 21/12
d = 32/12 -21-12
d = 11/12
B = 1 - 1/3 + 5/2
= 6/6-2/6+15/6
= 21/6-2/6b = 19/6
C= -5/12 : 15/16
= -5/12 x 6/15
=-5/4*3 x 4*4 /5*3
= -4/9
D = 8/3 - 5/3 : 20/21
= 8/3 - 5/3 x21/20
= 8/3 - 105/60
= 8/3 - 21/12
= 32/12 -21-12
= 11/12
Voilà j'espère t'avoir aider :')