January 2021 0 121 Report
A RÉPONDRE AU PLUS VITE SVP MERCI !! Bonsoir, urgent pour demain matin, exercices de maths :

Ex n°1 :
a) la différence entre 5 et (-13)
b) la somme de (-39) et 41
c) la somme de (-12,3) et (-4,7)
d) la différence entre 7 et 15 .

Ex n°2 :

Calculer :
A= 2+ (-8) + 7 + (-12) + (-5) + 4+ (-2)
B= (-5) + (-4) - 15 - (-6) + 7
C = (-4) + (-3) - 5 - 3 + (-2)
D = (-4) + (-3) - 5 - 3 + (-2)
E = 3 - 12 + 15 - 17 - 23
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