{"id":4326,"date":"2026-04-24T12:36:07","date_gmt":"2026-04-24T12:36:07","guid":{"rendered":"https:\/\/pausemaths.fr\/?p=4326"},"modified":"2026-04-27T18:45:12","modified_gmt":"2026-04-27T18:45:12","slug":"une-expression-litteral-cest-quoi","status":"publish","type":"post","link":"https:\/\/pausemaths.fr\/index.php\/2026\/04\/24\/une-expression-litteral-cest-quoi\/","title":{"rendered":"Une expression litt\u00e9ral, c&rsquo;est quoi ?"},"content":{"rendered":"\n<hr class=\"wp-block-separator has-text-color has-contrast-color has-alpha-channel-opacity has-contrast-background-color has-background\"\/>\n\n\n\n<h2 class=\"wp-block-heading has-text-align-center has-background\" style=\"background-color:#57b0ed7a\"><strong>D\u00e9finitions<\/strong><\/h2>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-794e3cfa wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p class=\"wp-block-paragraph\"><strong>A\/ Expression num\u00e9rique :<\/strong><br>D\u00e9finition : Une expression num\u00e9rique est une expression math\u00e9matiques qui ne contient que des nombres.<br>Exemple : A = \u20132 x 5 + (5 \u2013 8)<br>On peut la calculer : A = \u20132 x 5 + (5 \u2013 8) = \u201310 + (\u20133) = \u201310 \u2013 3 = \u201313.<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p class=\"wp-block-paragraph\"><strong>B\/ Expression litt\u00e9rale :<br><\/strong>D\u00e9finition : Une expression litt\u00e9rale est constitu\u00e9e de nombres et de lettres reli\u00e9s par des op\u00e9rations.<br>Exemple : 7 + 3ax \u2013 2y<br>Cette expression signifie : 7 + 3\u00d7a\u00d7x \u2013 2\u00d7y<\/p>\n<\/div>\n<\/div>\n\n\n\n<hr class=\"wp-block-separator has-text-color has-contrast-color has-alpha-channel-opacity has-contrast-background-color has-background is-style-dots\"\/>\n\n\n\n<h2 class=\"wp-block-heading has-text-align-center has-background\" style=\"background-color:#57b0ed7a\"><strong>Convention d&rsquo;\u00e9criture<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\" style=\"border-width:1px;border-top-left-radius:20px;border-top-right-radius:20px;border-bottom-left-radius:20px;border-bottom-right-radius:20px;padding-top:var(--wp--preset--spacing--20);padding-right:var(--wp--preset--spacing--30);padding-bottom:var(--wp--preset--spacing--20);padding-left:var(--wp--preset--spacing--30)\">Entre un nombre et une lettre, on n&rsquo;est pas oblig\u00e9 d&rsquo;\u00e9crire le signe \u00d7 (fois).<br>On \u00e9cris le nombre avec son signe puis la lettre. On n&rsquo;\u00e9crit pas 1.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"314\" src=\"https:\/\/pausemaths.fr\/wp-content\/uploads\/2026\/04\/image-43-1024x314.png\" alt=\"\" class=\"wp-image-4547\" srcset=\"https:\/\/pausemaths.fr\/wp-content\/uploads\/2026\/04\/image-43-1024x314.png 1024w, https:\/\/pausemaths.fr\/wp-content\/uploads\/2026\/04\/image-43-300x92.png 300w, https:\/\/pausemaths.fr\/wp-content\/uploads\/2026\/04\/image-43-768x236.png 768w, https:\/\/pausemaths.fr\/wp-content\/uploads\/2026\/04\/image-43.png 1092w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Remarque :<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Tu connais d\u00e9j\u00e0 des expressions math\u00e9matiques utilisant des lettres.<br>Par exemple, pour calculer le p\u00e9rim\u00e8tre d&rsquo;un cercle, d&rsquo;un rectangle, d&rsquo;un carr\u00e9 ou l&rsquo;aire d&rsquo;un triangle, tu utilise des formules avec des lettres.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Pour calculer la valeur de l&rsquo;expression, tu remplaces les lettres par des nombres en fessant apparaitre les signes \u00d7 , puis tu effectues les calculs en respectant les r\u00e8gles de priorit\u00e9s op\u00e9ratoires.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-text-color has-contrast-color has-alpha-channel-opacity has-contrast-background-color has-background\"\/>\n","protected":false},"excerpt":{"rendered":"<p>D\u00e9finitions A\/ Expression num\u00e9rique :D\u00e9finition : Une expression num\u00e9rique est une expression math\u00e9matiques qui ne contient que des nombres.Exemple : A = \u20132 x 5 + (5 \u2013 8)On peut la calculer : A = \u20132 x 5 + (5 \u2013 8) = \u201310 + (\u20133) = \u201310 \u2013 3 = \u201313. B\/ Expression litt\u00e9rale [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-4326","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/pausemaths.fr\/index.php\/wp-json\/wp\/v2\/posts\/4326","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pausemaths.fr\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/pausemaths.fr\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/pausemaths.fr\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/pausemaths.fr\/index.php\/wp-json\/wp\/v2\/comments?post=4326"}],"version-history":[{"count":31,"href":"https:\/\/pausemaths.fr\/index.php\/wp-json\/wp\/v2\/posts\/4326\/revisions"}],"predecessor-version":[{"id":4556,"href":"https:\/\/pausemaths.fr\/index.php\/wp-json\/wp\/v2\/posts\/4326\/revisions\/4556"}],"wp:attachment":[{"href":"https:\/\/pausemaths.fr\/index.php\/wp-json\/wp\/v2\/media?parent=4326"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/pausemaths.fr\/index.php\/wp-json\/wp\/v2\/categories?post=4326"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/pausemaths.fr\/index.php\/wp-json\/wp\/v2\/tags?post=4326"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}