Bonsoir pouvez vous m'aider sur un exercice de maths que je n'ai pas compris .c'est l'exercice 30 me.... Pergunta de ideia deDoudou69330

Doudou69330 @Doudou69330

May 2019 1 69 Report

Bonsoir pouvez vous m'aider sur un exercice de maths que je n'ai pas compris .c'est l'exercice 30 merci

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calinizou

Verified answer

Bonsoir
b/
a 5+(-3)+(-7)
b (-8)+(-10)+9

c/ a -3+-7=-10
b -8+-10=-18+9

d/ a 5-10=-5
b -18+9=-9

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