February 2021 0 85 Report
besoin d'aide merci . Compléter. a)... +(+11)=(-6) b) (-4)+...=(+15) c) (-4) +...=(-9) d)...+(+30)=(+18) Calculer. A=(-9)-(-4) B =(-8)-(+3) C=(+7)-(+2) D=(+16)-(-3) E=(-5)-(-9) F=(+8)-(+15)
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