J'aurais besoin d'aide pour cette exercice Merci !
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AbderraoufSlamani
Bonjour !! L'aire de ABCD = AB × BC AB × BC = (a + b) × (c + d) .. 1 AB × BC = (a + b) × c + (a + b) × d .. 2 AB × BC = (a × c) + (b × c) + (d × b) + (a × d) .. 3 AB × BC = (a + b) × c + (a + b) × d .. 4 AB × BC = (c + d) × a + (c + d) × b ..5
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L'aire de ABCD = AB × BC
AB × BC = (a + b) × (c + d) .. 1
AB × BC = (a + b) × c + (a + b) × d .. 2
AB × BC = (a × c) + (b × c) + (d × b) + (a × d) .. 3
AB × BC = (a + b) × c + (a + b) × d .. 4
AB × BC = (c + d) × a + (c + d) × b ..5