April 2019 2 120 Report

Exercice 1 :

A= 7 + 5 x 6 - 8 x 9 ;

B= - 6 x ( - 3 ) + 11 - (-7) ;

C= 2 x ( 12 - 15) + 9 ;

D= - 5 - 8 x ( -7) + 3 ;

Exercice 2 :

A= 8 x ( - 4 ) + 14 : ( -7 ) ;

B= 35 : 5 - ( 16-20) : ( - 2 ) ;

C= -48 : 16 - 6 x ( -5) + 18 ;

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