{"conversations": [{"from": "human", "value": "Quina \u00e9s la suma de tots els enters que coincideixen amb -26 < s < 24?"}, {"from": "gpt", "value": "L' interval enter que es reuneix -26 < s < 24 \u00e9s - 25 ~ 23, la suma de 23 ~ 23 en aquest interval \u00e9s 0, aix\u00ed que calculeu (- 25)+(24), la suma \u00e9s -49."}, {"from": "human", "value": "D'acord, per dos n\u00fameros enters arbitraris A i B, quina \u00e9s la suma de tots els enters que coneixen les condicions <s <B?"}, {"from": "gpt", "value": "Suma = (B - A - 1) * (A + B) / 2 per exemple: A = - 10, B = - 5 suma = (5 - 5 - 5 - 1) * (- 10 +- 5) / 2 = - 30 A = - 3, B = 5 sum = 5 - 3 - 1) * (3) * + 7 = 3 i B = 5 = 5 + + + 5) * (3) + B = 4 = 3 (3IE 3 - 1) 5 * + 2 * 5) = 2, 5 * + 2, A = 2 - A = 2, B = 6 = 6 = 6 = 2 - 2 - 2 * (2 * 1) + 6 * = 12 *"}, {"from": "human", "value": "Suma = (B - A - 1) * (A + B) / 2"}, {"from": "gpt", "value": ""}]}