Bonjour, quelqu'un pourrait m'aider a calculer et donner le resultat de chacune des expressions sous la forme la plus simple merci d'avance.
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A= 7/5 -12/ 120
A = 7/5 X 24/24 -12/120
A = 168/120 - 12/120
A= 156/120
A = 78/60 = 39/30 =13/10
B= 4 -4 /16/3
B = 4 -4 X 3/16 =
B = 4 -12/16
B = 64/16 -12/16
B = 52/16 = 26/8 = 13/4
C = 5/3 -2/3/5/6
C = 5/3 -2/3 X 6/5
C = 5/3 -12/15
C = 25/15 -12/15
C = 13/15
D = -13/7 +3/7 /5/3
D = -13/7 +3/7 X 3/5
D = -13/7 +9/35
D = 65/35 +9/35
D = 74/35