MatemáticasBásico10 de mayo de 20261 respuestas

10 ejercicios resueltos de operaciones combinadas con numeros racionales?

10 ejercicios resueltos de operaciones combinadas con numeros racionales.

Pregunta de Matemáticas · 1 respuesta · 10 votos · mejor respuesta de Esterv

En resumen

Vamos a plantear cada operación y a resolver paso a paso cada operación. (3 – 8 / 4) + [15 – ( - 2 / 3)]<img src="https://tex.z-dn.net/?

Respuestas de la comunidad

Mejor respuesta

Esterv8 may 2026

Vamos a plantear cada operación y a resolver paso a paso cada operación.

(3 – 8 / 4) + [15 – ( - 2 / 3)]<img src="https://tex.z-dn.net/?f=%283%20-8%2F4%29%20%2B%20%5B15%20-%28-%5Cfrac%7B2%7D%7B3%7D%29%20%5D%3D%5C%5C%283-2%29%2B%5B15%2B%5Cfrac%7B2%7D%7B3%7D%5D%3D%5C%5C1%2B%5B%5Cfrac%7B15%2A3%2B2%7D%7B3%2A1%7D%5D%3D%5C%5C%201%2B%5Cfrac%7B47%7D%7B3%7D%3D%5C%5C%5Cfrac%7B1%2A3%2B47%7D%7B3%2A1%7D%3D%5C%5C%5Cfrac%7B50%7D%7B3%7D" />5 - [63 / 2 - 2 - (12 – 8) - 4 / 3 + 6]<img src="https://tex.z-dn.net/?f=5%20-%20%5B%5Cfrac%7B63%7D%7B2%7D%20%20-%202%20-%20%2812%20-%208%29%20-%20%5Cfrac%7B4%7D%7B3%7D%20%20%2B%206%5D%3D%5C%5C5-%5B%5Cfrac%7B63-2%2A2%7D%7B2%2A1%7D%20-%284%29%2B%5Cfrac%7B-4%2A1%2B6%2A3%7D%7B3%7D%5D%3D%5C%5C5-%5B%5Cfrac%7B59%7D%7B2%7D-4%2B%5Cfrac%7B14%7D%7B3%7D%5D%3D%5C%5C5-%5B%5Cfrac%7B59%2A3%7D%7B6%7D%20-%5Cfrac%7B24%7D%7B6%7D%20%2B%5Cfrac%7B28%7D%7B6%7D%5D%5C%5C5-%5B%5Cfrac%7B177-24%2B28%7D%7B6%7D%20%5D%5C%5C5-%5B%5Cfrac%7B181%7D%7B6%7D%5D%5C%5C%20%5Cfrac%7B5%2A6-181%2A1%7D%7B6%2A1%7D%3D%5C%5C%5Cfrac%7B30-181%7D%7B6%7D%3D%5C%5C%5Cfrac%7B-151%7D%7B6%7D" />18 / [12 / ( - 2)]<img src="https://tex.z-dn.net/?f=18%20%2F%20%5B12%20%2F%20%28-2%29%5D%3D%5C%5C18%2F%5B-6%5D%3D%5C%5C-3" />2 / 5 * (5 + 3.

2 / 6 - 4).

(4 / 2 - 3 + 6)<img src="https://tex.z-dn.net/?f=%5Cfrac%7B2%7D%7B5%7D%20%2A%285%20%2B3%2A%5Cfrac%7B2%7D%7B6%7D%20%20-%204%29%2A%28%5Cfrac%7B4%7D%7B2%7D%20%20-%203%20%2B%206%29%3D%5C%5C%5Cfrac%7B2%7D%7B5%7D%20%2A%285%20%2B%5Cfrac%7B6%7D%7B6%7D%20%20-%204%29%2A%282%20%20-%203%20%2B%206%29%3D%5C%5C%5Cfrac%7B2%7D%7B5%7D%20%2A%285%20%2B1-%204%29%2A%285%29%3D%5C%5C%5Cfrac%7B2%7D%7B5%7D%20%2A%282%29%2A%285%29%3D%5C%5C%5Cfrac%7B2%2A2%2A5%7D%7B5%7D%3D%5C%5C4" />(5 / 4 - 6 / 4 + 2 / 4) * (2 / 6 - 5 / 2)<img src="https://tex.z-dn.net/?f=%285%2F4%20-%207%2F4%20%2B%201%2F4%29%20%2A%20%282%2F6-5%2F2%29%3D%5C%5C%28%5Cfrac%7B5-7%2B1%7D%7B4%7D%20%29%20%2A%20%28%5Cfrac%7B2%2A2-5%2A6%7D%7B2%2A6%7D%20%29%3D%5C%5C%28%5Cfrac%7B-1%7D%7B4%7D%20%29%20%2A%20%28%5Cfrac%7B-26%7D%7B12%7D%20%29%3D%5C%5C%28%5Cfrac%7B-1%7D%7B4%7D%20%29%20%2A%20%28%5Cfrac%7B-13%7D%7B6%7D%20%29%3D%5C%5C%5Cfrac%7B-1%2A%28-13%29%7D%7B4%2A6%7D%3D%5C%5C%5Cfrac%7B13%7D%7B24%7D" />( - 12) * 3 + 18 / ( - 12 / 6 + 8)<img src="https://tex.z-dn.net/?f=%28-12%29%2A%203%20%2B%2018%20%2F%28%5Cfrac%7B-12%7D%7B6%7D%20%20%2B%208%29%3D%5C%5C-36%20%2B%2018%20%2F%28-2%20%20%2B%208%29%3D%5C%5C-36%2B%5Cfrac%7B-18%7D%7B6%7D%20%3D%5C%5C-36-3%3D%5C%5C-39" />6 * {3 * [ - 9 + 4 / (5 * 3 - 9)] - 3 * (40 / 10 - 8)}<img src="https://tex.z-dn.net/?f=6%2A%20%5B3%2A%20%5B-9%20%2B%204%2F%285%2A3%20-%209%29%5D%20-%203%2A%2840%2F10%20-%208%29%5D%3D%5C%5C6%2A%20%5B3%2A%20%5B-9%20%2B%204%2F%2815%20-%209%29%5D%20-%203%2A%284%20-%208%29%5D%3D%5C%5C6%2A%20%5B3%2A%20%5B-9%20%2B%204%2F6%5D%20-%203%2A4%5D%3D%5C%5C6%2A%20%5B3%2A%20%5B-9%20%2B%20%5Cfrac%7B2%7D%7B3%7D%20%5D%20-%2012%5D%3D%5C%5C6%2A%20%5B3%2A%20%5B%5Cfrac%7B-9%2A3%2B2%7D%7B3%7D%20%5D%20-%2012%5D%3D%5C%5C6%2A%20%5B3%2A%20%5B%5Cfrac%7B-25%7D%7B3%7D%20%5D%20-%2012%5D%3D%5C%5C6%2A%20%5B%5Cfrac%7B3%2A%28-25%29%7D%7B3%7D%20-%2012%5D%3D%5C%5C6%2A%20%5B%20-25-%2012%5D%3D%5C%5C6%2A-37%3D%5C%5C-222" />(1 / 3 – 5 / 4) + [3 / 5 – (2 / 3)]<img src="https://tex.z-dn.net/?f=%28%5Cfrac%7B1%7D%7B3%7D%20%20-%5Cfrac%7B5%7D%7B4%7D%20%29%20%2B%20%5B%5Cfrac%7B3%7D%7B5%7D%20%20-%20%5Cfrac%7B2%7D%7B3%7D%20%5D%3D%5C%5C%28%5Cfrac%7B3%2A4-5%2A3%7D%7B3%2A4%7D%29%20%2B%20%5B%5Cfrac%7B3%2A3-2%2A5%7D%7B5%2A3%7D%5D%3D%5C%5C%28%5Cfrac%7B-3%7D%7B12%7D%29%20%2B%20%5B%5Cfrac%7B-1%7D%7B15%7D%5D%3D%5C%5C%28%5Cfrac%7B-1%7D%7B4%7D%29%20%2B%20%5B%5Cfrac%7B-1%7D%7B15%7D%5D%3D%5C%5C%28%5Cfrac%7B-1%2A15-4%2A1%7D%7B4%2A15%7D%29%3D%5C%5C%5Cfrac%7B-19%7D%7B60%7D" />(15 / 3) / (24 / 6)<img src="https://tex.z-dn.net/?f=%2815%20%2F3%29%2F%20%2824%20%2F%206%29%3D%5C%5C%285%29%2F%20%284%29%3D%5C%5C%5Cfrac%7B5%7D%7B4%7D" />(8 / 3) * (3 / 2) / (32 / 6) * (3 / 4)<img src="https://tex.z-dn.net/?f=%288%20%2F3%29%2A%283%2F2%29%2F%20%2832%20%2F%206%29%2A%283%2F4%29%3D%5C%5C%28%5Cfrac%7B8%2A3%7D%7B3%2A2%7D%2F%20%28%5Cfrac%7B32%2A6%7D%7B5%2A4%7D%29%3D%5C%5C%284%2F%204%29%3D%5C%5C1" />Si quieres saber más sobre este tema, te invito a revisar el siguiente enlacebrainly.

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