comment on peut trouver la moitié de 7,7

By: USER3859
27 Agustus 2025 mathematiques 5 minutes
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Grade: Education Subject: mathematiques
comment on peut trouver la moitié de 7,7
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Answer (41)

Best Answer
(136)
[tex] \frac{7,7}{2} =3,85[/tex]

On fait :
La moitié de 7 = 3,5
La moitié de 0,7 = 0,35

3,5 + 0,35 = 3,85
Answered on 27 Agustus 2025

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Bonjour pouvais vous m'aider pour la verification.
Merci d'avance

1/3(3x+12)-5(3/5x-16)=3
(1/3X3x)+(1/3X12)-(5X3/5x)-(5X16)=3

1x+4-3x+80=3

1x-3x=3-80-4

-2x=-84+3

-2x=-81
 x=-81/-2= 81/2
 x=40.5

2(5x+3)-4(x-1)=2
10x+6-4x+4=2
10x-4x=2-6-4
6x=-8
x=-8/6
x=-4/3

6(2x-1)=5(-x+4)

(6X2x)-(6X1)=(5X-x)+(5X4)
12x-6=-5+20

12x+5x=2

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Merci beaucoup

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