calculer A= 1/4 x [(1+5)^2 - (1-5)^2]
Mathématiques
manangue
Question
calculer A= 1/4 x [(1+5)^2 - (1-5)^2]
2 Réponse
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1. Réponse maudmarine
A = 1/4 x [(1 + 5)² - (1 - 5)²]
A = 1/4 x [(6)² - (- 4)²]
A = 1/4 x (36 - 16)
A = 1/4 x 20
A = 20/4
A = 5 -
2. Réponse pierrette98
A = 1/4 *((1+5)^2 -(1-5)^2)
A = 1/4*(6^2-4^2)
A = 1/4*(36-16)
A = 1/4*20
A = 5