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Mathematics, 01.06.2020 16:58 neneleey1941

En el teatro de la escuela hay 13 filas con 17 asientos cada una. Para calcular cuántos asientos hay, Mercedes, Humberto, Carla, Fernando y Sofía escribieron los siguientes cálculos: Mercedes: (10 + 3) . 17 = 10 . 17 + 3 . 17 Fernando: 13 . (20 – 3) = 13 . 20 - 3 Humberto: 13 . (10 + 7) = 13 . 10 + 13 . 7 Sofía: (20 – 3) . 13 = 20 . 3 – 3 . 13 Carla: 13 . (10 + 7) = 130 + 7 Algunos de los chicos se equivocaron en su cálculo, ¿Quiénes?

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