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SGERARD
Answered

Bonjour, pouvez vous svp calculer ces exercices de maths niveau 4ieme?

A = [-5+3x(-4+1,5)] x (6-4 x (-3) x 2)

B = -4+2 x [-3 x(5-7)-9]

Merci d’avance ❤️ Bonne fin de journée!

Sagot :

VINS

bonjour

A = [-5+3x(-4+1,5)] x (6-4 x (-3) x 2)

A = [ - 5 + 3 ( - 2.5 ) ] x  ( 6 + 12 x 2 )

A =   ( - 5 - 7.5 ) x  ( 6 + 24 )

A =  - 12.5 x 30

=  - 375

B = -4+2 x [-3 x(5-7)-9]

B  =  - 4 + 2  * ( - 3 *  -2 - 9 )

 =  - 4 + 2 *  6 - 9

= - 4 + 12 - 9

= - 1

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