\nEnunciado<\/b><\/span><\/p>\n
Determina o valor num\u00e9rico de cada express\u00e3o:<\/p>\n
\n
${\\left( { – 2} \\right)^4} – {\\left( { – 2} \\right)^2} + {\\left( { – 2} \\right)^3}$<\/li>\n
$ – {5^2} + {\\left( { – 5} \\right)^2} – {1^3} – {2^2} – {\\left( { – 1} \\right)^3}$<\/li>\n
$ – {\\left( { – 3} \\right)^3} – {\\left( { – 4 + 1} \\right)^2} + \\frac{{{{\\left( { – 1} \\right)}^2} – {1^2}}}{3}$<\/li>\n<\/ol>\n
Resolu\u00e7\u00e3o >><\/a><\/span><\/div><\/div>\n\n
\nResolu\u00e7\u00e3o<\/b><\/span><\/p>\n
Tem em considera\u00e7\u00e3o que n\u00e3o h\u00e1 regras operat\u00f3rias para adicionar e subtrair pot\u00eancias.<\/p>\n
\n
Ora,
\n$$\\begin{array}{*{20}{l}} \u00a0 {{{\\left( { – 2} \\right)}^4} – {{\\left( { – 2} \\right)}^2} + {{\\left( { – 2} \\right)}^3}}& = &{16 – \\left( { + 4} \\right) + \\left( { – 8} \\right)} \\\\ \u00a0 {}& = &{16 – 4 – 8} \\\\ \u00a0 {}& = &4 \\end{array}$$<\/li>\n
Ora,
\n$$\\begin{array}{*{20}{l}} \u00a0 { – {5^2} + {{\\left( { – 5} \\right)}^2} – {1^3} – {2^2} – {{\\left( { – 1} \\right)}^3}}& = &{ – 25 + \\left( { + 25} \\right) – 1 – 4 – \\left( { – 1} \\right)} \\\\ \u00a0 {}& = &{ – 25 + 25 – 1 – 4 + 1} \\\\ \u00a0 {}& = &{ – 4} \\end{array}$$<\/li>\n
Ora,
\n$$\\begin{array}{*{20}{l}} \u00a0 { – {{\\left( { – 3} \\right)}^3} – {{\\left( { – 4 + 1} \\right)}^2} + \\frac{{{{\\left( { – 1} \\right)}^2} – {1^2}}}{3}}& = &{ – \\left( { – 27} \\right) – {{\\left( { – 3} \\right)}^2} + \\frac{{1 – 1}}{3}} \\\\ \u00a0 {}& = &{27 – 9 + 0} \\\\ \u00a0 {}& = &{18} \\end{array}$$<\/li>\n<\/ol>\n
<< Enunciado<\/a><\/span><\/div><\/div>\n\n","protected":false},"excerpt":{"rendered":"
Enunciado Resolu\u00e7\u00e3o Enunciado Determina o valor num\u00e9rico de cada express\u00e3o: ${\\left( { – 2} \\right)^4} – {\\left( { – 2} \\right)^2} + {\\left( { – 2} \\right)^3}$ $ – {5^2} + {\\left( { –...<\/p>\n","protected":false},"author":1,"featured_media":19269,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[317,97,318],"tags":[428,319,142],"series":[],"class_list":["post-11038","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-7-o-ano","category-aplicando","category-numeros-inteiros","tag-7-o-ano","tag-numeros-inteiros-2","tag-potencias"],"views":1570,"jetpack_featured_media_url":"https:\/\/www.acasinhadamatematica.pt\/wp-content\/uploads\/2021\/12\/Mat90.png","jetpack_sharing_enabled":true,"jetpack_likes_enabled":true,"_links":{"self":[{"href":"https:\/\/www.acasinhadamatematica.pt\/index.php?rest_route=\/wp\/v2\/posts\/11038","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.acasinhadamatematica.pt\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.acasinhadamatematica.pt\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.acasinhadamatematica.pt\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.acasinhadamatematica.pt\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=11038"}],"version-history":[{"count":0,"href":"https:\/\/www.acasinhadamatematica.pt\/index.php?rest_route=\/wp\/v2\/posts\/11038\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.acasinhadamatematica.pt\/index.php?rest_route=\/wp\/v2\/media\/19269"}],"wp:attachment":[{"href":"https:\/\/www.acasinhadamatematica.pt\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=11038"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.acasinhadamatematica.pt\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=11038"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.acasinhadamatematica.pt\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=11038"},{"taxonomy":"series","embeddable":true,"href":"https:\/\/www.acasinhadamatematica.pt\/index.php?rest_route=%2Fwp%2Fv2%2Fseries&post=11038"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}