Exercice 11: Calcule: A = (-1)-(-5,5) B=-1-(-3) C=-1-(-2,7) D=-1-(-1,2) Exercice 12: Calcule: A=(-11)+(-6) (+9) + (-3) - (+12) Exercice 13: Calcule : C = (-6) + (-4) - (-3,2) + (-5) - (+6,4) Exercice 14: Relie chaque expression à son écriture simplifiée : Exercice 15: Effectue les calculs suivants. a. 5-14 b. 8-13 e. 53 - 18 f. - 28-12 E=(-1)-(-0,5) F=-1-(+4,8) B=(-3,6)+(+7,9) - (+4,4)-(-3,6) + (+7,5) D=(-53)-(-2) + (+103) - (+35,4) + (-42) (-8) + (-16) (+8) - (-16) (-16) (-8) (-16) (+8) + (+16) 1 We a * * 4 c.-6-6 g. - 17+17 G = 5,1- (-3) H = 5 - (+4,8) * * 14 B 16 8-16 -8-16 d. - 13+9 h. 0-89 svp ses Important ses pour demain jusqu'à 15 svp ​
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