Exercices corrigés sur la soustraction de nombres relatifs
13?(?7) = 13+7 = 20. Correction exercice 2 : 1. 7,5?(?15) = 7,5+15 = 22,5. 2. ?24,9?(?11,5) = ?24,9+11,5 = ?13,4. 3. ?17,25?2,75 = ?17,25+(?2,75 ...
13?(?7) = 13+7 = 20. Correction exercice 2 : 1. 7,5?(?15) = 7,5+15 = 22,5. 2. ?24,9?(?11,5) = ?24,9+11,5 = ?13,4. 3. ?17,25?2,75 = ?17,25+(?2,75 ...