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yvongoetgeluck
@yvongoetgeluck
June 2021
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dans la cour,il y a 26 tetes te 66 pattes.combien y a t-il de poules et de lapins
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ficanas06
Verified answer
Pas besoin de système à 2 inconnues !
Soit x le nombre de lapins. le nombre de poules sera 26-x. On a l'équation:
4x + 2(26-x) = 66
4x + 52 - 2x = 66
2x = 66-52
2x =14
x = 14/2
x= 7
il y a donc 7 lapins et 26-7= 19 poules.
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Thanks 2
yvongoetgeluck
merci beaucoupp
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Verified answer
Pas besoin de système à 2 inconnues !Soit x le nombre de lapins. le nombre de poules sera 26-x. On a l'équation:
4x + 2(26-x) = 66
4x + 52 - 2x = 66
2x = 66-52
2x =14
x = 14/2
x= 7
il y a donc 7 lapins et 26-7= 19 poules.