{"id":41,"date":"2026-09-13T09:24:08","date_gmt":"2026-09-13T09:24:08","guid":{"rendered":"https:\/\/epi84.es\/?page_id=41"},"modified":"2026-09-13T11:25:12","modified_gmt":"2026-09-13T11:25:12","slug":"1-2","status":"publish","type":"page","link":"https:\/\/epi84.es\/?page_id=41","title":{"rendered":"1. Propietats de les operacions"},"content":{"rendered":"\n<p class=\"has-blue-color has-text-color has-link-color wp-elements-1 wp-block-paragraph\"><strong>PROPIETATS DE LA SUMA<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Propietat commutativa<\/strong>  \u2192  L&#8217;ordre dels sumands no altera la suma:<\/li>\n<\/ul>\n\n\n\n<p class=\"has-text-align-center wp-block-paragraph\" style=\"line-height:0.5\"><em>a + b = b + a<\/em><\/p>\n\n\n\n<p class=\"has-text-align-center has-text-color has-link-color wp-elements-2 wp-block-paragraph\" style=\"color:#077f05\">Exemple:  4 + 3 = 3 + 4<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Propietat associativa<\/strong>  \u2192  Tant \u00e9s com associem una suma de tres o m\u00e9s sumads:<\/li>\n<\/ul>\n\n\n\n<p class=\"has-text-align-center wp-block-paragraph\" style=\"line-height:0.5\"><em>(a + b) + c = a + (b + c)<\/em><\/p>\n\n\n\n<p class=\"has-text-align-center has-text-color has-link-color wp-elements-3 wp-block-paragraph\" style=\"color:#077f05\">Exemple:  (4 + 3) + 2 = 3 + (4 + 2)<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Element neutre<\/strong>  \u2192  \u00c9s el 0. No hi posa ni hi treu:<\/li>\n<\/ul>\n\n\n\n<p class=\"has-text-align-center wp-block-paragraph\" style=\"line-height:0.5\"><em>a + 0 = a<\/em><\/p>\n\n\n\n<p class=\"has-text-align-center has-text-color has-link-color wp-elements-4 wp-block-paragraph\" style=\"color:#077f05\">Exemple:  16 + 0 = 16<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>PROPIETATS DE LA SUMA a + b = b + a Exemple: 4 + 3 = 3 + 4 (a + b) + c = a + (b + c) Exemple: (4 + 3) + 2 = 3 + (4 &hellip; <a href=\"https:\/\/epi84.es\/?page_id=41\">Continua llegint <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"parent":21,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-41","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/epi84.es\/index.php?rest_route=\/wp\/v2\/pages\/41","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/epi84.es\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/epi84.es\/index.php?rest_route=\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/epi84.es\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/epi84.es\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=41"}],"version-history":[{"count":13,"href":"https:\/\/epi84.es\/index.php?rest_route=\/wp\/v2\/pages\/41\/revisions"}],"predecessor-version":[{"id":66,"href":"https:\/\/epi84.es\/index.php?rest_route=\/wp\/v2\/pages\/41\/revisions\/66"}],"up":[{"embeddable":true,"href":"https:\/\/epi84.es\/index.php?rest_route=\/wp\/v2\/pages\/21"}],"wp:attachment":[{"href":"https:\/\/epi84.es\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=41"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}