{"id":3583,"date":"2025-11-19T15:46:07","date_gmt":"2025-11-19T18:46:07","guid":{"rendered":"https:\/\/impactocastex.com.ar\/?p=3583"},"modified":"2025-11-19T15:46:07","modified_gmt":"2025-11-19T18:46:07","slug":"cuanto-es-90-2-x-5-500-%c3%b7-5-el-calculo-matematico-que-confunde-a-todos-pero-que-puede-resolverse-en-1-minuto","status":"publish","type":"post","link":"https:\/\/impactocastex.com.ar\/?p=3583","title":{"rendered":"\u00bfCu\u00e1nto es (90 + 2 x 5) &#8211; (500 \u00f7 5)? El c\u00e1lculo matem\u00e1tico que confunde a todos, pero que puede resolverse en 1 minuto"},"content":{"rendered":"<p>Los <a href=\"https:\/\/www.lanacion.com.ar\/juegos\/retos-visuales\/cuanto-es-60-60-0-1-el-calculo-matematico-que-solo-las-mentes-maestras-pueden-resolver-en-1-minuto-nid05112025\/\" target=\"_self\" rel=\"\" title=\"https:\/\/www.lanacion.com.ar\/juegos\/retos-visuales\/cuanto-es-60-60-0-1-el-calculo-matematico-que-solo-las-mentes-maestras-pueden-resolver-en-1-minuto-nid05112025\/\">c\u00e1lculos matem\u00e1ticos<\/a> suelen ser un dolor de cabeza para muchas personas, quienes despu\u00e9s de la etapa escolar prefieren olvidarlos. Sin embargo, <b>la pr\u00e1ctica es lo que hace al maestro<\/b>. En las \u00faltimas horas, se viraliz\u00f3 en Internet un ejercicio que, aunque parece sencillo, muchas personas no logran resolverlo por una peque\u00f1a trampa escondida. El mismo es <b>(90 + 2 x 5) &#8211; (500 \u00f7 5) = ? \u00bfTe anim\u00e1s a resolverlo en 1 minuto?<\/b><\/p>\n<p>La regla esencial para resolver operaciones matem\u00e1ticas mixtas es conocida como <i><b>PEMDAS <\/b><\/i>(por sus siglas en ingl\u00e9s) o <b>jerarqu\u00eda de operaciones<\/b>, que establece el orden en que deben resolverse las distintas partes de un c\u00e1lculo. El orden es el siguiente:<\/p>\n<ul>\n<li>Par\u00e9ntesis<\/li>\n<li>Exponentes<\/li>\n<li>Multiplicaciones y divisiones, de izquierda a derecha<\/li>\n<li>Sumas y restas, tambi\u00e9n de izquierda a derecha<\/li>\n<\/ul>\n<p><b>Cuando se ignora esta jerarqu\u00eda, el resultado puede ser incorrecto<\/b>, lo que hace que problemas aparentemente simples se conviertan en un desaf\u00edo mental.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/resizer.glanacion.com\/resizer\/v2\/B4EUPHNPEFCT7N3IAPINIITNKE.jpg?auth=94cb46e70f6f3e052278d6e509712bae9f3e1ee913552f22f64c1838272b4d97&amp;smart=true&amp;width=800&amp;height=600\" alt=\"Este c\u00e1lculo matem\u00e1tico se volvi\u00f3 viral en redes sociales por su peque\u00f1a trampa para resolverlo\" height=\"600\" width=\"800\" \/><\/p>\n<h1>Paso a paso c\u00f3mo resolver el c\u00e1lculo matem\u00e1tico viral<\/h1>\n<p>Para evitar errores, conviene seguir la expresi\u00f3n de manera ordenada. La cuenta original es: <b>(90 + 2 x 5) &#8211; (500 \u00f7 5)= ?<\/b><\/p>\n<p><b>1. Primero, debe resolverse lo que est\u00e1 dentro de los par\u00e9ntesis, pero respetando la jerarqu\u00eda interna. <\/b>En el primer par\u00e9ntesis, <b>(90 + 2 x 5)<\/b>, aparece una suma y una multiplicaci\u00f3n. De acuerdo con la regla, la multiplicaci\u00f3n va antes que la suma. Multiplicaci\u00f3n: <b>2 x 5 = 10<\/b><\/p>\n<p>De esta forma el primer par\u00e9ntesis queda (90 + 10)<\/p>\n<p><b>2.<\/b> En el segundo par\u00e9ntesis, <b>(500 \u00f7 5)<\/b>, solo hay una divisi\u00f3n: <b>500 \u00f7 5 = 100 <\/b><\/p>\n<p>Por lo tanto, la expresi\u00f3n completa se transforma en: <b>(90 + 10) &#8211; 100<\/b><\/p>\n<p>3. <b>Ahora se resuelven las sumas y restas: <\/b><\/p>\n<ul>\n<li>90 + 10 = 100<\/li>\n<li>100 &#8211; 100 = 0<\/li>\n<\/ul>\n<p>El resultado correcto de la expresi\u00f3n es <b>0<\/b>.<\/p>\n<h1>\u00bfCu\u00e1les son los beneficios de ejercitar el cerebro con c\u00e1lculos mentales?<\/h1>\n<p>M\u00e1s all\u00e1 de ser un simple desaf\u00edo matem\u00e1tico, resolver ejercicios como este tiene m\u00faltiples beneficios para la mente. Seg\u00fan un estudio de la Universidad de Princeton, publicado en el Journal of Neuroscience, la pr\u00e1ctica de c\u00e1lculos matem\u00e1ticos influye en la capacidad de las personas para tomar decisiones, ya que con cada operaci\u00f3n que se realiza se trabajan \u00e1reas clave del cerebro relacionadas con la l\u00f3gica, el razonamiento y la memoria.<\/p>\n<p>Algunos de los beneficios puntuales para nuestro funcionamiento cognitivo diario son:<\/p>\n<ul>\n<li><b>Incremento de la concentraci\u00f3n y el enfoque<\/b>. Resolver problemas matem\u00e1ticos exige atenci\u00f3n sostenida, lo que mejora la capacidad de concentrarse en tareas complejas durante m\u00e1s tiempo.<\/li>\n<li><b>Estimulaci\u00f3n cerebral y plasticidad neuronal<\/b>. Los c\u00e1lculos activan distintas \u00e1reas del cerebro, dado que potencian su flexibilidad y fortalecer las conexiones neuronales.<\/li>\n<li><b>Agilidad mental<\/b>.<b>\u00a0<\/b>La pr\u00e1ctica frecuente agiliza la capacidad de procesar informaci\u00f3n y tomar decisiones, tanto en ejercicios matem\u00e1ticos como en situaciones de la vida cotidiana.<\/li>\n<li><b>Fortalecimiento de la memoria<\/b>.<b>\u00a0<\/b>Realizar c\u00e1lculos mentales refuerza la memoria de trabajo, lo que permite retener y manipular informaci\u00f3n de manera eficiente. Con el tiempo, tambi\u00e9n mejora la memoria a largo plazo.<\/li>\n<li><b>Desarrollo del pensamiento l\u00f3gico y anal\u00edtico<\/b>. Resolver ejercicios matem\u00e1ticos fomenta un enfoque estructurado y l\u00f3gico para abordar problemas, una habilidad clave tanto en el \u00e1mbito personal como profesional.<\/li>\n<li><b>Prevenci\u00f3n del deterioro cognitivo<\/b>.<b>\u00a0<\/b>Varios estudios sugieren que el ejercicio mental, como los c\u00e1lculos, puede retrasar el deterioro cognitivo relacionado con la edad, lo que ayuda a prevenir enfermedades como el Alzheimer y la demencia.<\/li>\n<\/ul>\n<h1>C\u00f3mo jugar en l\u00ednea en LN Juegos<\/h1>\n<p>Para los fan\u00e1ticos de los acertijos y de los retos mentales, <a href=\"https:\/\/www.lanacion.com.ar\/juegos\/\" rel=\"\" title=\"LA NACION cre\u00f3 LN Juegos\"><b>LA NACION cre\u00f3 LN Juegos<\/b><\/a>, una propuesta l\u00fadica que todos los d\u00edas ofrece diversos contenidos dise\u00f1ados para desafiar a los usuarios y para ayudarlos a desconectarse de la rutina.<\/p>\n<p>Entre los pasatiempos m\u00e1s demandados se encuentran algunos juegos de palabras como el Crucigrama, la <a href=\"https:\/\/www.lanacion.com.ar\/juegos\/palabra-oculta\/\" rel=\"\" title=\"Palabra oculta \">Palabra oculta <\/a>y la Sopa de letras. Tambi\u00e9n son muy jugadas las Trivias,<a href=\"https:\/\/www.lanacion.com.ar\/juegos\/sudoku\/\" rel=\"\" title=\" el Sudoku\"> el Sudoku<\/a> y las Palabras cruzadas, en el marco de una propuesta innovadora que se actualiza y ampl\u00eda todos los meses.<\/p>\n<p>\u200bEste desaf\u00edo viral pone a prueba la rapidez mental y el conocimiento de un principio clave de las matem\u00e1ticas; desafiate y prob\u00e1 resolverlo en tiempo r\u00e9cord\u00a0\u00a0<\/p>","protected":false},"excerpt":{"rendered":"<p>Los c\u00e1lculos matem\u00e1ticos suelen ser un dolor de cabeza para muchas personas, quienes despu\u00e9s de&#8230;<\/p>\n","protected":false},"author":1,"featured_media":3584,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[89],"tags":[],"class_list":["post-3583","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nacionales"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>\u00bfCu\u00e1nto es (90 + 2 x 5) - (500 \u00f7 5)? 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