On augmente de 20 % la longueur et on
diminue de 20% la largeur d'un rectangle de
dimensions 3...
![subject](/tpl/images/cats/mat.png)
Mathematics, 25.02.2021 15:30 kingnya63
On augmente de 20 % la longueur et on
diminue de 20% la largeur d'un rectangle de
dimensions 30 cm sur 20 cm. Quelle est, en
pourcentage, la variation de son aire ?
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Answers: 2
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