Mathématiques

Question

Exercice n°2
: Complète
(+8)-( + 15 ) =(+8) + (-15) = - 7
(-5)-(-3)=(-5).t... (:3..) = .......
(+5)-( + 7) = ( ........)..... ( ........) =
(-9)-(+6)= ....
(+3) - (+2) =
(-3)-(+8)= ....
(
;
......
Aider moi svp !!

1 Réponse

  • Bonjour

    Complète

    (+8)-( + 15 ) =(+8) + (-15) = 8 - 15 = - 7

    (-5)-(-3)= - 5 + 3 = - 2

    (+5)-( + 7) = 5 - 7 = - 2

    (-9)-(+6)= - 9 - 6 = - 15

    (+3) - (+2) = 3 - 2 = 1

    (-3)-(+8)= - 3 - 8 = - 11.

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