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Boucledorerloana
@Boucledorerloana
April 2019
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Bonjour je galère pour l'exercice 1 , 2 merci de m'aider
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nathalienouts
Ex1)
A = (-7,4-3x0,2)/(1,4+2x0,3)
A = (-7,4-0,6)/(1,4+0,6)
A = -8/2
A = -4
B (-2-3x4)/(-1+2x7,5)
B = (-2-12)/(-1+15)
B = -14/14
B = -1
Ex 2
(2x-y)(y-3z)
= (2*-2,6+4,5)(-4,5-3*-3) * = multiplié par
= (-5,2+4,5)(-4,5+9)
= 0,7*4,5
= 3,15
(x-2y)/7
= (-2,5-2*-1,75)/-4
= (-2,5+3,5)/-4
= 1/-4
= -1/4
1 votes
Thanks 1
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Ex 4 besoin d'aide svp c'est pythagore ^^ niveau 4 eme
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A = (-7,4-3x0,2)/(1,4+2x0,3)
A = (-7,4-0,6)/(1,4+0,6)
A = -8/2
A = -4
B (-2-3x4)/(-1+2x7,5)
B = (-2-12)/(-1+15)
B = -14/14
B = -1
Ex 2
(2x-y)(y-3z)
= (2*-2,6+4,5)(-4,5-3*-3) * = multiplié par
= (-5,2+4,5)(-4,5+9)
= 0,7*4,5
= 3,15
(x-2y)/7
= (-2,5-2*-1,75)/-4
= (-2,5+3,5)/-4
= 1/-4
= -1/4