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Mikail69
@Mikail69
June 2021
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Aidez - moi s'il vous plait. (:
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caro67000
1. A = 3/ 7 – ( 6/7 * 21/24) = 3/7 * ( 1 – ( 2* 21/24)) = 3/7 * ( 1- 42/24) = 3/7 ( 24/24 – 42/24)
A = 3/7 * -18/24 = 3/7 *( - 3/4 ) =
-9/28
B = (3 + 2/3) / 22/9 = 11/3 * 9/22 = 99/66 = 1 33/66 =
1 ½
2. C = 25 * 3 * 10^4 / 2 * 10^2 = 75 * 10^2/2 =
75/2 * 10^2
= 37 1/2 * 10^2
D = 3* 10^5 * 4 * 10^-6 / 16* 10-4
D = 12/16 * 10^-1 * 10^4 =
¾ * 10^3
3. E = PGCD (485, 581) calcul par la méthode d’Euclyde
581 = 485 + 96
485 = 96 * 5 + 5
5 = 5* 1 +0 le
PGCD de (485,581) est 1
4.
F = ( 9 x^2 – 30 x + 25) – 8x + 6 x^2 = 15 x^2 – 38x + 25 =
x ( 15 x – 38) + 25
G = 6x – 2 x^2 + 15 – 5 x – ( 5x +20 – 3 x^2 -12) = - 2x^2 + 3x^2 + x – 5x + 15 -20 + 12 = x^2 – 4x +7
=
x (x -4) +7
5. f(x) = x^2 -5
a)Image de x= -3 par f(x) = 9 – 5 =
4
b) Image de x= 2/3 par f(x) = 4/9 – 5 = 4/9 – 45/9 =
- 41/9
0 votes
Thanks 1
Mikail69
merci beaucoup, c'est super gentil
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Mikail69
June 2021 | 0 Respostas
Calculer juste le E, SVP AIDEZ MOI !!!
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Mikail69
June 2021 | 0 Respostas
Aidez moi s'il vous plait !!!!
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Mikail69
June 2021 | 0 Respostas
Bonjour j'ai besoin de votre aide svp !
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Mikail69
June 2021 | 0 Respostas
Bonjour ! Quelqu'un peut m'aider svppppp , j'ai rien compris !!!
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Mikail69
June 2021 | 0 Respostas
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Mikail69
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Mikail69
June 2021 | 0 Respostas
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Mikail69
June 2021 | 0 Respostas
rien compris , aidez moi svp !!
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Mikail69
June 2021 | 0 Respostas
17 points !!!! SVPPPPPPPPPP
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Mikail69
June 2021 | 0 Respostas
Aideeeeeeeeez moi svp c le 56
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A = 3/7 * -18/24 = 3/7 *( - 3/4 ) = -9/28
B = (3 + 2/3) / 22/9 = 11/3 * 9/22 = 99/66 = 1 33/66 = 1 ½
2. C = 25 * 3 * 10^4 / 2 * 10^2 = 75 * 10^2/2 = 75/2 * 10^2 = 37 1/2 * 10^2
D = 3* 10^5 * 4 * 10^-6 / 16* 10-4
D = 12/16 * 10^-1 * 10^4 = ¾ * 10^3
3. E = PGCD (485, 581) calcul par la méthode d’Euclyde
581 = 485 + 96
485 = 96 * 5 + 5
5 = 5* 1 +0 le PGCD de (485,581) est 1
4. F = ( 9 x^2 – 30 x + 25) – 8x + 6 x^2 = 15 x^2 – 38x + 25 = x ( 15 x – 38) + 25
G = 6x – 2 x^2 + 15 – 5 x – ( 5x +20 – 3 x^2 -12) = - 2x^2 + 3x^2 + x – 5x + 15 -20 + 12 = x^2 – 4x +7 = x (x -4) +7
5. f(x) = x^2 -5
a)Image de x= -3 par f(x) = 9 – 5 = 4
b) Image de x= 2/3 par f(x) = 4/9 – 5 = 4/9 – 45/9 = - 41/9