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Prtmarguerite
@Prtmarguerite
May 2019
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Rendre ces fractions irréductibles 13/18 20/30 25/10 15/12
Merci
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maudmarine
Verified answer
Bonjour,
13/18 --> Irréductible
20/30 = (10 x 2) / (10 x 3) = 2/3
25/10 = (5 x 5) / (5 x 2) = 5/2
15/12 = (3 x 5) / (3 x 4) = 5/4
2 votes
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prtmarguerite
Je me suis trompe c’etait 14/18
maudmarine
14/18 = (2 x 7) / (2 x 9) = 7/9
marco31
Verified answer
Bonjour
14/18⇒(7×2)/(9×2)=7/9
20/30⇒(2×10)/(3×10)=2/3
25/10⇒(5×5)/(2×5)=5/2
15/12⇒(5×3)/(4×3)=5/4
0 votes
Thanks 0
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Lista de comentários
Verified answer
Bonjour,13/18 --> Irréductible
20/30 = (10 x 2) / (10 x 3) = 2/3
25/10 = (5 x 5) / (5 x 2) = 5/2
15/12 = (3 x 5) / (3 x 4) = 5/4
Verified answer
Bonjour
14/18⇒(7×2)/(9×2)=7/9
20/30⇒(2×10)/(3×10)=2/3
25/10⇒(5×5)/(2×5)=5/2
15/12⇒(5×3)/(4×3)=5/4