April 2019 2 124 Report

Les nombres relatifs.

Calculer chaque expression.

A) ( -214) + ( -1,5) + ( +214) + ( -2,5) =

b) (+ 2,75) + ( - 2,3) + ( -0,75) + ( +1, 3) =

c) (-10,5) + ( -3,5 ) + ( -3,5 ) + (+10,5) =

d) (+78) + (-22) + (-38) + (+22) + ( + 30 ) =

Merci de détailler !

TOUT COMMENTAIRE UTINILE SERAS SIGNALER

Merci.

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