a,b et c designent 3 nombres tels que a fois b fois c = -100 A= 7 x a x b x c B= -a x b x c C= -a x (-b) x c D= a x 2 x b x (-5)x c E= a x b x c + 1 F=
Question
a,b et c designent 3 nombres tels que a fois b fois c = -100 A= 7 x a x b x c B= -a x b x c C= -a x (-b) x c D= a x 2 x b x (-5)x c E= a x b x c + 1 F= -3 x a x c x b x a x (-5c) x b G=a x c x a x b x a x c x b aider moi svp c est a rendre pour ludni merci d 'avance
2 Réponse
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1. Réponse Fabrice
a x b x c = -100
A= 7 x a x b x c
= 7 x (-100)
= - 700
B= -a x b x c
= - (-100)
= 100
C= -a x (-b) x c
= + a x b x c
= -100
D= a x 2 x b x (-5)x c
= -10 x a x b x c
= -10 x -100
= 1000
E= a x b x c + 1
= -100 +1
= -99
F= -3 x a x c x b x a x (-5c) x b
= 15 x a x b x c x a x b x c
= 15 x -100 x -100
= 150 000
G=a x c x a x b x a x c x b
= a x b x c x a x b x c x a
= -100 x -100 x a
= 10 000a
En espérant t'avoir aidé.
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2. Réponse Sophie159
a x b x c = -100
A= 7 x a x b x c
= 7 x (-100)
= - 700
B= -a x b x c
= - (-100)
= 100
C= -a x (-b) x c
= + a x b x c
= -100
D= a x 2 x b x (-5)x c
= -10 x a x b x c
= -10 x -100
= 1000
E= a x b x c + 1
= -100 +1
= -99
F= -3 x a x c x b x a x (-5c) x b
= 15 x a x b x c x a x b x c
= 15 x -100 x -100
= 150 000
G=a x c x a x b x a x c x b
= a x b x c x a x b x c x a
= -100 x -100 x a
= 10 000a
;))