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marianon
@marianon
January 2021
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Bonjour voilà sa fait longtemps que j'essaie de faire cette exercice mais je n'y arrive pas (ex55)
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luwan
Verified answer
Bonjour :
si tu as + ( - ) cela fait -
si tu as + ( + ) cela fait +
si tu as - (+ ) cela fait -
si tu as - (- ) cela fait +
A = (+8) - (-4) + (-3) - (+7)
donc A = 8 + 4 - 3 - 7
+ 4 car - (- ) donne +
A = 2
B= -9 - 5 + 4 + 8
B = -2
C= 6 - 4 + 7 - 3
C = 6
je te laisse faire le D et je corrige si besoin
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Lista de comentários
Verified answer
Bonjour :si tu as + ( - ) cela fait -
si tu as + ( + ) cela fait +
si tu as - (+ ) cela fait -
si tu as - (- ) cela fait +
A = (+8) - (-4) + (-3) - (+7)
donc A = 8 + 4 - 3 - 7
+ 4 car - (- ) donne +
A = 2
B= -9 - 5 + 4 + 8
B = -2
C= 6 - 4 + 7 - 3
C = 6
je te laisse faire le D et je corrige si besoin