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jadix2409
@jadix2409
January 2021
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bonjour tout le monde!j'hésite pour comment calculer le truc de la dernière question est-ce bien 7+(7-b)+a+(a-2)+2+b. Merci d'avance pour tout!♥
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maudmarine
Verified answer
Bonjour,
Périmètre ABCHEF :
b + a + (b + 7) + (a + 2) + 7 + 2
= b + a + b + 7 + a + 2 + 7 + 2
= a + a + b + b + 7 + 7 + 2 + 2
= 2a + 2b + 18
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Verified answer
Bonjour,Périmètre ABCHEF :
b + a + (b + 7) + (a + 2) + 7 + 2
= b + a + b + 7 + a + 2 + 7 + 2
= a + a + b + b + 7 + 7 + 2 + 2
= 2a + 2b + 18