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SVP qui peut m'aider
Question 2.2 : (+5) - (+7) = .....

(+5) + (-7)

(+5) + (+7)

(-5) + (+7)

(-5) + (-7)

Sélectionnez la bonne réponse.
Coef. 1
Question 2.3 : (-1) - (+4) = .....

(+1) + (+4)

(+1) + (-4)

(-1) + (+4)

(-1) + (-4)

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