{"id":157,"date":"2023-06-25T01:46:18","date_gmt":"2023-06-25T01:46:18","guid":{"rendered":"https:\/\/physigeek.com\/pt\/truncamento\/"},"modified":"2023-06-25T01:46:18","modified_gmt":"2023-06-25T01:46:18","slug":"truncamento","status":"publish","type":"post","link":"https:\/\/physigeek.com\/pt\/truncamento\/","title":{"rendered":"Truncamento"},"content":{"rendered":"<p>Este artigo explica o que \u00e9 truncamento. Assim voc\u00ea encontrar\u00e1 o que significa truncar um n\u00famero em matem\u00e1tica, exemplos de n\u00fameros aproximados por truncamento e, al\u00e9m disso, uma calculadora online para truncar qualquer n\u00famero. <\/p>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%C2%BFQue-es-el-truncamiento\"><\/span> O que \u00e9 truncamento?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p> Em matem\u00e1tica, <strong>o truncamento<\/strong> \u00e9 uma opera\u00e7\u00e3o em que o n\u00famero de casas decimais \u00e9 reduzido eliminando as menos significativas. Em outras palavras, o truncamento consiste em deletar os d\u00edgitos \u00e0 direita do d\u00edgito que se deseja truncar.<\/p>\n<p> Por exemplo, truncar o n\u00famero 5,1869 por cent\u00e9simos \u00e9 igual a 5,18. <\/p>\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/physigeek.com\/wp-content\/uploads\/2023\/09\/exemple-de-troncature.png\" alt=\"truncamento\" class=\"wp-image-2858\" width=\"220\" height=\"220\" srcset=\"https:\/\/physigeek.com\/wp-content\/uploads\/2023\/09\/exemple-de-troncature-300x300.png 300w, https:\/\/physigeek.com\/wp-content\/uploads\/2023\/09\/exemple-de-troncature-150x150.png 150w, https:\/\/physigeek.com\/wp-content\/uploads\/2023\/09\/exemple-de-troncature.png 512w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\"><\/figure>\n<p> O truncamento \u00e9 frequentemente usado em computa\u00e7\u00e3o para reduzir o n\u00famero de d\u00edgitos com os quais um processador pode trabalhar.<\/p>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Ejemplos-de-truncamientos\"><\/span>Exemplos de truncamentos<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p> Depois de vermos a defini\u00e7\u00e3o de truncamento, veremos v\u00e1rios exemplos deste tipo de opera\u00e7\u00e3o matem\u00e1tica para compreender totalmente o conceito:<\/p>\n<ul style=\"color:#4fd12f; font-weight: bold;\">\n<li style=\"margin-bottom:12px\"> <span style=\"color:#101010;font-weight: normal;\">Truncamento por unidade 9 634 <strong><span style=\"color:#4fd12f\">\u2192<\/span><\/strong> 9<\/span><\/li>\n<li style=\"margin-bottom:12px\"> <span style=\"color:#101010;font-weight: normal;\">Truncamento em d\u00e9cimos de 4,13958 <strong><span style=\"color:#4fd12f\">\u2192<\/span><\/strong> 4,1<\/span><\/li>\n<li style=\"margin-bottom:12px\"> <span style=\"color:#101010;font-weight: normal;\">Truncamento ao cent\u00e9simo de 71,0442 <strong><span style=\"color:#4fd12f\">\u2192<\/span><\/strong> 71,04<\/span><\/li>\n<li style=\"margin-bottom:12px\"> <span style=\"color:#101010;font-weight: normal;\">Truncamento ao mil\u00e9simo de 25,9057132 <strong><span style=\"color:#4fd12f\">\u2192<\/span><\/strong> 25,905<\/span><\/li>\n<li style=\"margin-bottom:12px\"> <span style=\"color:#101010;font-weight: normal;\">Truncamento em dez mil\u00e9simos de 0,91471802 <strong><span style=\"color:#4fd12f\">\u2192<\/span><\/strong> 0,9147<\/span> <\/li>\n<\/ul>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Calculadora-de-truncamiento\"><\/span> calculadora de truncamento<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p> Voc\u00ea pode usar a calculadora a seguir para truncar qualquer n\u00famero. Basta inserir o n\u00famero a ser truncado e o n\u00famero decimal para o qual deseja truncar. Os n\u00fameros devem ser inseridos usando o ponto final como ponto decimal, por exemplo 5,1869. <\/p>\n<form action=\"\" method=\"post\">\n<div style=\"line-height:50px; background:#FEF9E7; padding:15px; border:2px solid #4FD12F; border-radius:15px; margin-bottom:20px\">\n<ul style=\"color:#4FD12F\">\n<li> <span style=\"color:#000000;font-weight: normal;\">N\u00famero a ser truncado: <input name=\"datos\" style=\"border:1.5px solid #4FD12F; border-radius:5px;  padding:7px; color:#000000; width: 100px\" placeholder=\"5.1869\" required=\"\" oninvalid=\"this.setCustomValidity('Introduce el n\u00famero a truncar aqu\u00ed')\" oninput=\"this.setCustomValidity('')\"><\/span><\/li>\n<li> <span style=\"color:#000000;font-weight: normal;\">N\u00famero decimal a ser truncado por: <input name=\"decimales\" style=\"border:1.5px solid #4FD12F; border-radius:5px;  padding:7px; color:#000000; width: 40px\" placeholder=\"2\" required=\"\" oninvalid=\"this.setCustomValidity('Introduce el n\u00famero de decimales que debe tener el n\u00famero despu\u00e9s de realizar el truncamiento')\" oninput=\"this.setCustomValidity('')\"><\/span> <\/li>\n<\/ul>\n<div style=\"text-align:center\"><input align=\"center\" style=\"font-size:105%; border-radius:30px; margin-top: 20px; margin-bottom:20px\" type=\"submit\" name=\"submit\" value=\"Truncar\"><\/div>\n<\/div>\n<\/form>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Truncamiento-y-redondeo\"><\/span> Truncamento e arredondamento<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p> Truncamento e arredondamento s\u00e3o dois tipos diferentes de aproxima\u00e7\u00f5es, ou seja, duas formas diferentes de aproximar um n\u00famero decimal.<\/p>\n<p> Ao aproximar um n\u00famero por <strong>arredondamento<\/strong> , elimina-se o n\u00famero desejado de casas decimais e, al\u00e9m disso, o \u00faltimo d\u00edgito \u00e9 aumentado em uma se o maior d\u00edgito retirado for igual ou superior a 5.<\/p>\n<p> Assim, aproximar um n\u00famero por truncamento ou arredondamento \u00e9 o mesmo se o maior d\u00edgito removido for menor que 5, esses dois m\u00e9todos s\u00f3 aproximam um n\u00famero de forma diferente se o maior d\u00edgito removido for igual ou maior que 5. <\/p>\n<div style=\"background-color:#FFFDE7; padding-top: 10px; padding-bottom: 10px; padding-right: 10px; padding-left: 20px; border: 2.5px dashed #FFB74D; border-radius:20px;\"> <span style=\"color:#ff951b\">\u27a4<\/span> <strong>Veja:<\/strong> <a href=\"https:\/\/physigeek.com\/pt\/redondo\/\">exemplos de arredondamento<\/a><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Este artigo explica o que \u00e9 truncamento. Assim voc\u00ea encontrar\u00e1 o que significa truncar um n\u00famero em matem\u00e1tica, exemplos de n\u00fameros aproximados por truncamento e, al\u00e9m disso, uma calculadora online para truncar qualquer n\u00famero. O que \u00e9 truncamento? Em matem\u00e1tica, o truncamento \u00e9 uma opera\u00e7\u00e3o em que o n\u00famero de casas decimais \u00e9 reduzido eliminando &hellip;<\/p>\n<p class=\"read-more\"> <a class=\"\" href=\"https:\/\/physigeek.com\/pt\/truncamento\/\"> <span class=\"screen-reader-text\">Truncamento<\/span> Leia mais &raquo;<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"","footnotes":""},"categories":[18],"tags":[],"class_list":["post-157","post","type-post","status-publish","format-standard","hentry","category-numeros"],"yoast_head":"<!-- This site is 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