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craby29
@craby29
January 2021
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bonjour je suis en 3eme j ai un problème en maths que je n arrive pas a resoudre le voici:
A et B sont 2 nombre ; A>B
leurs somme vaut 235
leurs différences vaut 66
trouver A et B
voila aider moi si vous plait
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winner123
Verified answer
Bonjour
a + b = 235
a - b = 66
a = 235 - b
235 - b - b = 66
- 2 b = 66 - 235
- 2 b = - 169
b = 84.5
a + 84.5 = 235
a = 235 - 84.5
a = 150.5
150.5 + 84.5 = 235
150.5 - 84.5 = 66
2 votes
Thanks 1
craby29
je vous remercie beaucoup
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Verified answer
Bonjoura + b = 235
a - b = 66
a = 235 - b
235 - b - b = 66
- 2 b = 66 - 235
- 2 b = - 169
b = 84.5
a + 84.5 = 235
a = 235 - 84.5
a = 150.5
150.5 + 84.5 = 235
150.5 - 84.5 = 66