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Mazig
@Mazig
May 2019
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Bonsoir ,
Vous voudrez bien m'aider à résoudre :
A = √72 - √98
B= √75 + √ 108 x 1/2 - √48
Ensuite calculer : .A/B
Merci beaucoup .
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Verified answer
Bonjour,
A = √72 - √98
= 6√2 - 7√2
= -√2
B= √75 + √ 108 x 1/2 - √48
= 5√3+3√3-4√3
= 4√3
Ensuite calculer : .A/B
-√2/4√3 =
-√2*4√3/4√3*4√3=
-4√6/48 = -√6/12
2 votes
Thanks 0
ariel14
et est-ce que vous puvez m'aide ?
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Bonsoir, Je seche sur : A=7x10^5x(10^3)^-5 x2/ 10^2x10^-3. aidez - moi s.v.p. Merci d'avance.
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Je bloque sur 10^-7/4x10-3 . Votre aide m'est indispensable. Merci .
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Bonjour, priere de me resoudre ceci. Merci. B= [1,75+0.25 (5-2 ) x ( 4 + 3.25 ) ] : 5
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Verified answer
Bonjour,A = √72 - √98
= 6√2 - 7√2
= -√2
B= √75 + √ 108 x 1/2 - √48
= 5√3+3√3-4√3
= 4√3
Ensuite calculer : .A/B
-√2/4√3 =
-√2*4√3/4√3*4√3=
-4√6/48 = -√6/12