et sa fait conbien 25,5 sur 30 et apres sur 20

By: USER5177
28 Agustus 2025 mathematiques 5 minutes
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Question

Grade: Education Subject: mathematiques
et sa fait conbien 25,5 sur 30 et apres sur 20
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Answer (52)

Best Answer
(138)
25,5 / 30
= [tex] \frac{25,5 X 2}{30 X 2} [/tex]
= 51/60
= [tex] \frac{51 / 3}{60 / 3} [/tex]
= 17/20
Answered on 28 Agustus 2025
(127)
25,5/20=0,85 ou [tex] \frac{17}{20} [/tex]
et
25,5/30=1,275 ou [tex] \frac{51}{40} [/tex]
il faut juste diviser 
Answered on 28 Agustus 2025

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