Bonjour,j'aimerais etre aider pour cette exercice:
N*7 p 68
7 Transformer chaque expression en une suite
d'additions puis la calculer sans utiliser la
calculatrice.
a. I=(+2) - (+8) + (-3) - (-5) + (+7)
b.J= (-8) - (+6) - (-3) + (+7) - (-9)
c. K= (-15) - (-9) + (+11) - (-25) - (+16)

Merci d'avance
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