Exercice 11 1) Ranger par ordre croissant: -2,5: -2,54:-2,537:-2,6-2,46: -2,56. 2º) Ranger par ordre décroissant: -8,1; +7,9:0:-5,8: +3,6: -5,9: -6,5. Exercice 2: Calculer en indiquant les étapes intermédiaires : A = (-15) + (-26) - (-8) B = 4+ (-11) + (+9) + (-16) - (-17) C = (+16) + (-10) - (+ 3) - (+6)-(-5) D=(+11)-(-5) - (+6) + (-7) + (+8) Exercice 3: Calculer en respectant la priorité des parenthèses: E = (4+2) - (11-19) F = -3,5+ [2,8 - (-4) ] G=1-(3-2)-(5-4)-(7-6)-(9-8) H=2-[2-(11-23)]- (-14) +8 I = [(-14) - (+3) ] - [(-9) - (+7)] J = 12-18 - [14-19+ (22-34-16)]. svp aider moi c pour vendredi​
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