{"id":20035,"date":"2026-06-09T19:18:25","date_gmt":"2026-06-09T22:18:25","guid":{"rendered":"https:\/\/impactocastex.com.ar\/?p=20035"},"modified":"2026-06-09T19:18:25","modified_gmt":"2026-06-09T22:18:25","slug":"cuanto-es-100-50-%c3%b7-5-x-2-el-calculo-matematico-que-parece-simple-a-primera-vista-pero-que-pocos-pueden-resolver","status":"publish","type":"post","link":"https:\/\/impactocastex.com.ar\/?p=20035","title":{"rendered":"\u00bfCu\u00e1nto es 100 \u2013 50 \u00f7 5 \u00d7 2? El c\u00e1lculo matem\u00e1tico que parece simple a primera vista, pero que pocos pueden resolver"},"content":{"rendered":"<p>Los <a href=\"https:\/\/www.lanacion.com.ar\/juegos\/retos-visuales\/cuanto-es-2-4-x-3-x-5-3-el-calculo-matematico-que-el-70-no-puede-resolver-en-menos-de-30-segundos-nid02062026\/\" target=\"_self\" rel=\"\" title=\"https:\/\/www.lanacion.com.ar\/juegos\/retos-visuales\/cuanto-es-2-4-x-3-x-5-3-el-calculo-matematico-que-el-70-no-puede-resolver-en-menos-de-30-segundos-nid02062026\/\">desaf\u00edos matem\u00e1ticos<\/a> suman constantemente popularidad en redes sociales gracias a su capacidad para confundir incluso a quienes creen dominar las operaciones b\u00e1sicas. En esta ocasi\u00f3n, una cuenta aparentemente simple gener\u00f3 cientos de respuestas distintas y abri\u00f3 un intenso debate entre los usuarios. El ejercicio es el siguiente: <b>100 \u2013 50 \u00f7 5 \u00d7 2 = ?<\/b> \u00bfPod\u00e9s resolverlo correctamente antes de que termine el cron\u00f3metro? <b>\u00a1Ten\u00e9s 30 segundos!<\/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>Cuando se ignora esta jerarqu\u00eda, el resultado puede ser incorrecto, 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\/JPOLMLOGFBHXXJJLBBDQBDZO4A.jpg?auth=7b75e2bbdb22b1bf4584eaf02a4e0a658ed813a3358eab6ca52a36f76618acc4&amp;smart=true&amp;width=800&amp;height=600\" alt=\"Si olvidamos el orden estricto de las operaciones, esto puede llevarnos a un error garrafal\" height=\"600\" width=\"800\" \/><\/p>\n<h1>El paso a paso para resolver el c\u00e1lculo matem\u00e1tico<\/h1>\n<p>Si todav\u00eda no pudiste dar con el resultado correcto o el mismo te gener\u00f3 dudas, a continuaci\u00f3n te dejamos una forma sencilla de resolver el problema matem\u00e1tico y su respuesta correcta. <\/p>\n<p>El error m\u00e1s com\u00fan consiste en restar primero o en no respetar la jerarqu\u00eda de operaciones. Seg\u00fan las reglas matem\u00e1ticas, para comenzar se realizan las divisiones y multiplicaciones de izquierda a derecha. Por eso, 50 \u00f7 5 da 10 y luego 10 \u00d7 2 da 20. Reci\u00e9n entonces se efect\u00faa la resta: 100 \u2013 20 = 80. <b>Resultado final: 80<\/b>.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/resizer.glanacion.com\/resizer\/v2\/DRO7NHRIGFCH3MUMXKBXXP7J6Q.jpg?auth=8f0a6ccef93c4a4f980f6cf363cf4bda059e2db1aceec4ff234bfe5e10b4c2d7&amp;smart=true&amp;width=800&amp;height=600\" alt=\"El resultado del c\u00e1lculo matem\u00e1tico viral en redes sociales\" height=\"600\" width=\"800\" \/><\/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 <i>Journal of Neuroscience<\/i>, 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 <b>se trabajan \u00e1reas clave del cerebro relacionadas con la l\u00f3gica, el razonamiento y la memoria<\/b>.<\/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 fortalecen 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; animate y prob\u00e1 resolverlo en tiempo r\u00e9cord\u00a0\u00a0<\/p>","protected":false},"excerpt":{"rendered":"<p>Los desaf\u00edos matem\u00e1ticos suman constantemente popularidad en redes sociales gracias a su capacidad para confundir&#8230;<\/p>\n","protected":false},"author":1,"featured_media":20036,"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-20035","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 100 \u2013 50 \u00f7 5 \u00d7 2? 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