1. **Plantear el problema:** Se nos pide sumar los siguientes valores: 60, 130, 70, 26, 9, 70, 105, 9, 8, 4, 125, 13, 25, 30, 10, 270, 17, 10, 35, 25, 50, 30, 19, 12, 38, 12, 10, 30, 17, 66. 2. **Fórmula usada:** La suma de una lista de números es la adición secuencial de cada término: $$\text{suma} = a_1 + a_2 + a_3 + \cdots + a_n$$ 3. **Sumamos todos los valores:** $$60 + 130 + 70 + 26 + 9 + 70 + 105 + 9 + 8 + 4 + 125 + 13 + 25 + 30 + 10 + 270 + 17 + 10 + 35 + 25 + 50 + 30 + 19 + 12 + 38 + 12 + 10 + 30 + 17 + 66$$ 4. **Realizamos la suma paso a paso:** $$60 + 130 = 190$$ $$190 + 70 = 260$$ $$260 + 26 = 286$$ $$286 + 9 = 295$$ $$295 + 70 = 365$$ $$365 + 105 = 470$$ $$470 + 9 = 479$$ $$479 + 8 = 487$$ $$487 + 4 = 491$$ $$491 + 125 = 616$$ $$616 + 13 = 629$$ $$629 + 25 = 654$$ $$654 + 30 = 684$$ $$684 + 10 = 694$$ $$694 + 270 = 964$$ $$964 + 17 = 981$$ $$981 + 10 = 991$$ $$991 + 35 = 1026$$ $$1026 + 25 = 1051$$ $$1051 + 50 = 1101$$ $$1101 + 30 = 1131$$ $$1131 + 19 = 1150$$ $$1150 + 12 = 1162$$ $$1162 + 38 = 1200$$ $$1200 + 12 = 1212$$ $$1212 + 10 = 1222$$ $$1222 + 30 = 1252$$ $$1252 + 17 = 1269$$ $$1269 + 66 = 1335$$ 5. **Respuesta final:** La suma total es **1335**.