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kelianc
@kelianc
January 2021
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Bonsoir j'aurais aimer de l'aide concernant mes 2 exercices de mathématiques car je suis vraiment perdu !!
Niveau : 3eme
Chapitre : Calcul Littéral
Il s'agit du 66 et du 67
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Christine17
A
4x²+1+4x+5x-x²=3x²+9x+1
b
3y²+18y-2y-12+9y²+4-12y=12y²+4y-8
c
36x²+25-60x-16x²-16-32x=20x²-92x+9
d
x²-3²+5y²+8y=x²+5y²+8y-9
e
49y²+81+126y+16y²-4=65y²+126y+77
f
6(x²+81+18x)-(25x²+4+20x)=6x²+486+108x-25x²-4-20x=-19x²+88x+482
67
a
24x²+1
b
45y²-48y-20
c
60x²-40x-75=5(12x²-8x-15)
d
48x²+36y²-86x-48y-20=2(24x²+18y²-43x-24y-10)
e
26y²-12y+35
f
-29x²-52x-32
1 votes
Thanks 1
kelianc
Je te dis un grand merci...!!!
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4x²+1+4x+5x-x²=3x²+9x+1
b
3y²+18y-2y-12+9y²+4-12y=12y²+4y-8
c
36x²+25-60x-16x²-16-32x=20x²-92x+9
d
x²-3²+5y²+8y=x²+5y²+8y-9
e
49y²+81+126y+16y²-4=65y²+126y+77
f
6(x²+81+18x)-(25x²+4+20x)=6x²+486+108x-25x²-4-20x=-19x²+88x+482
67
a
24x²+1
b
45y²-48y-20
c
60x²-40x-75=5(12x²-8x-15)
d
48x²+36y²-86x-48y-20=2(24x²+18y²-43x-24y-10)
e
26y²-12y+35
f
-29x²-52x-32