{"id":861,"date":"2025-01-30T11:12:04","date_gmt":"2025-01-30T08:12:04","guid":{"rendered":"https:\/\/currconv.ru\/blog\/17610-2\/"},"modified":"2025-01-30T11:12:04","modified_gmt":"2025-01-30T08:12:04","slug":"17610","status":"publish","type":"post","link":"https:\/\/currconv.ru\/blog\/17610\/","title":{"rendered":"\u041f\u0440\u0438\u043c\u0435\u0440 \u211641 \u0438\u0437 \u0437\u0430\u0434\u0430\u043d\u0438\u044f 21"},"content":{"rendered":"<div class=\"fpm_start\"><\/div>\n<p>\u041f\u0435\u0440\u0432\u044b\u0439 \u0440\u0430\u0431\u043e\u0447\u0438\u0439 \u0437\u0430 \u0447\u0430\u0441 \u0434\u0435\u043b\u0430\u0435\u0442 \u043d\u0430 6 \u0434\u0435\u0442\u0430\u043b\u0435\u0439 \u0431\u043e\u043b\u044c\u0448\u0435, \u0447\u0435\u043c \u0432\u0442\u043e\u0440\u043e\u0439, \u0438 \u0432\u044b\u043f\u043e\u043b\u043d\u044f\u0435\u0442 \u0437\u0430\u043a\u0430\u0437, \u0441\u043e\u0441\u0442\u043e\u044f\u0449\u0438\u0439 \u0438\u0437 140 \u0434\u0435\u0442\u0430\u043b\u0435\u0439, \u043d\u0430 3 \u0447\u0430\u0441\u0430 \u0431\u044b\u0441\u0442\u0440\u0435\u0435, \u0447\u0435\u043c \u0432\u0442\u043e\u0440\u043e\u0439 \u0440\u0430\u0431\u043e\u0447\u0438\u0439, \u0432\u044b\u043f\u043e\u043b\u043d\u044f\u044e\u0449\u0438\u0439 \u0442\u0430\u043a\u043e\u0439 \u0436\u0435 \u0437\u0430\u043a\u0430\u0437. \u0421\u043a\u043e\u043b\u044c\u043a\u043e \u0434\u0435\u0442\u0430\u043b\u0435\u0439 \u0432 \u0447\u0430\u0441 \u0434\u0435\u043b\u0430\u0435\u0442 \u043f\u0435\u0440\u0432\u044b\u0439 \u0440\u0430\u0431\u043e\u0447\u0438\u0439?<\/p>\n<p><span id=\"more-17610\"><\/span><\/p>\n<hr class=\"wp-block-separator has-css-opacity\"\/>\n<h2 class=\"wp-block-heading has-text-align-center has-medium-font-size\"><strong>\u0420\u0435\u0448\u0435\u043d\u0438\u0435<\/strong><\/h2>\n<p>\u041f\u0443\u0441\u0442\u044c <span class=\"katex-eq\" data-katex-display=\"false\">x<\/span> \u0434\u0435\u0442\u0430\u043b\u0435\u0439 \u0432 \u0447\u0430\u0441 \u0434\u0435\u043b\u0430\u0435\u0442 \u0432\u0442\u043e\u0440\u043e\u0439 \u0440\u0430\u0431\u043e\u0447\u0438\u0439. \u0422\u043e\u0433\u0434\u0430 \u043f\u0435\u0440\u0432\u044b\u0439 \u0440\u0430\u0431\u043e\u0447\u0438\u0439 \u0431\u0443\u0434\u0435\u0442 \u0434\u0435\u043b\u0430\u0442\u044c <span class=\"katex-eq\" data-katex-display=\"false\">x+6<\/span> \u0434\u0435\u0442\u0430\u043b\u0435\u0439 \u0432 \u0447\u0430\u0441.<\/p>\n<p>\u041f\u0435\u0440\u0432\u044b\u0439 \u0440\u0430\u0431\u043e\u0447\u0438\u0439 \u0437\u0430\u0442\u0440\u0430\u0442\u0438\u0442 <span class=\"katex-eq\" data-katex-display=\"false\">\\displaystyle \\frac{140}{x+6}<\/span> \u0447\u0430\u0441\u043e\u0432, \u0430 \u0432\u0442\u043e\u0440\u043e\u0439 \u0437\u0430\u0442\u0440\u0430\u0442\u0438\u0442 <span class=\"katex-eq\" data-katex-display=\"false\">\\displaystyle \\frac{140}{x}<\/span> \u0447\u0430\u0441\u043e\u0432. \u041f\u0440\u0438 \u044d\u0442\u043e\u043c, \u043f\u0435\u0440\u0432\u044b\u0439 \u0432\u044b\u043f\u043e\u043b\u043d\u0438\u0442 \u0437\u0430\u043a\u0430\u0437 \u0438\u0437 <span class=\"katex-eq\" data-katex-display=\"false\">140<\/span> \u0434\u0435\u0442\u0430\u043b\u0435\u0439 \u043d\u0430 <span class=\"katex-eq\" data-katex-display=\"false\">3<\/span> \u0447\u0430\u0441\u0430 \u0431\u044b\u0441\u0442\u0440\u0435\u0435, \u0447\u0435\u043c \u0432\u0442\u043e\u0440\u043e\u0439. \u041c\u043e\u0436\u043d\u043e \u0441\u043e\u0441\u0442\u0430\u0432\u0438\u0442\u044c \u0443\u0440\u0430\u0432\u043d\u0435\u043d\u0438\u0435:<\/p>\n<p><span class=\"katex-eq\" data-katex-display=\"false\">\\displaystyle \\frac{140}{x}-\\frac{140}{x+6}=3;<\/span><\/p>\n<p><span class=\"katex-eq\" data-katex-display=\"false\">\\displaystyle \\frac{140(x+6)-140x-3x(x+6)}{x(x+6)}=0;<\/span><\/p>\n<p><span class=\"katex-eq\" data-katex-display=\"false\">140x+840-140x-3x^2-18x=0;<\/span><\/p>\n<p><span class=\"katex-eq\" data-katex-display=\"false\">3x^2+18x-840=0;<\/span><\/p>\n<p><span class=\"katex-eq\" data-katex-display=\"false\">x^2+6x-280=0;<\/span><\/p>\n<p><span class=\"katex-eq\" data-katex-display=\"false\">D=36-4 \\cdot (-280)=36+1120=1156;<\/span><\/p>\n<p><script data-noptimize=\"\" data-wpfc-render=\"false\">\nfpm_start( \"true\" );\n<\/script><\/p>\n<p><span class=\"katex-eq\" data-katex-display=\"false\">\\displaystyle x_1=\\frac{-6-34}{2}=-20;<\/span><\/p>\n<p><span class=\"katex-eq\" data-katex-display=\"false\">\\displaystyle x_2=\\frac{-6+34}{2}=14.<\/span><\/p>\n<p>\u0422.\u043a. \u0434\u0435\u0442\u0430\u043b\u0438 \u0431\u044b\u0432\u0430\u044e\u0442 \u0442\u043e\u043b\u044c\u043a\u043e \u043f\u043e\u043b\u043e\u0436\u0438\u0442\u0435\u043b\u044c\u043d\u044b\u043c\u0438, \u0442\u043e \u0432\u0442\u043e\u0440\u043e\u0439 \u0440\u0430\u0431\u043e\u0447\u0438\u0439 \u0434\u0435\u043b\u0430\u0435\u0442 <span class=\"katex-eq\" data-katex-display=\"false\">14<\/span> \u0434\u0435\u0442\u0430\u043b\u0435\u0439 \u0432 \u0447\u0430\u0441. \u0410 \u043f\u0435\u0440\u0432\u044b\u0439 <span class=\"katex-eq\" data-katex-display=\"false\">14+6=20<\/span> \u0434\u0435\u0442\u0430\u043b\u0435\u0439 \u0432 \u0447\u0430\u0441.<\/p>\n<p><strong>\u041e\u0442\u0432\u0435\u0442:<\/strong> <span class=\"katex-eq\" data-katex-display=\"false\">20<\/span>.<span class=\"MathJax\" id=\"MathJax-Element-4-Frame\" tabindex=\"0\" style=\"\"><nobr><span class=\"math\" id=\"MathJax-Span-15\" style=\"width: 1.2em; display: inline-block;\"><span style=\"display: inline-block; position: relative; width: 1.008em; height: 0px; font-size: 116%;\"><span style=\"position: absolute; clip: rect(1.535em, 1000.96em, 2.493em, -999.998em); top: -2.344em; left: 0em;\"><\/span><\/span><\/span><\/nobr><\/span><\/p>\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n<p><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong>\u0418\u0441\u0442\u043e\u0447\u043d\u0438\u043a:<\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong> \u041e\u0413\u042d 2025. \u041c\u0430\u0442\u0435\u043c\u0430\u0442\u0438\u043a\u0430. 50 \u0432\u0430\u0440\u0438\u0430\u043d\u0442\u043e\u0432. \u0422\u0438\u043f\u043e\u0432\u044b\u0435 \u0432\u0430\u0440\u0438\u0430\u043d\u0442\u044b \u044d\u043a\u0437\u0430\u043c\u0435\u043d\u0430\u0446\u0438\u043e\u043d\u043d\u044b\u0445 \u0437\u0430\u0434\u0430\u043d\u0438\u0439 \u043e\u0442 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u043e\u0432 \u041e\u0413\u042d. \u042f\u0449\u0435\u043d\u043a\u043e \u0418. \u0412. (\u0432\u0430\u0440\u0438\u0430\u043d\u0442 41) <\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u041f\u0435\u0440\u0432\u044b\u0439 \u0440\u0430\u0431\u043e\u0447\u0438\u0439 \u0437\u0430 \u0447\u0430\u0441 \u0434\u0435\u043b\u0430\u0435\u0442 \u043d\u0430 6 \u0434\u0435\u0442\u0430\u043b\u0435\u0439 \u0431\u043e\u043b\u044c\u0448\u0435, \u0447\u0435\u043c \u0432\u0442\u043e\u0440\u043e\u0439, \u0438 \u0432\u044b\u043f\u043e\u043b\u043d\u044f\u0435\u0442 \u0437\u0430\u043a\u0430\u0437, \u0441\u043e\u0441\u0442\u043e\u044f\u0449\u0438\u0439 \u0438\u0437 140 \u0434\u0435\u0442\u0430\u043b\u0435\u0439, \u043d\u0430 3 \u0447\u0430\u0441\u0430 \u0431\u044b\u0441\u0442\u0440\u0435\u0435, \u0447\u0435\u043c \u0432\u0442\u043e\u0440\u043e\u0439 \u0440\u0430\u0431\u043e\u0447\u0438\u0439, \u0432\u044b\u043f\u043e\u043b\u043d\u044f\u044e\u0449\u0438\u0439 \u0442\u0430\u043a\u043e\u0439 \u0436\u0435 \u0437\u0430\u043a\u0430\u0437. \u0421\u043a\u043e\u043b\u044c\u043a\u043e \u0434\u0435\u0442\u0430\u043b\u0435\u0439 \u0432 \u0447\u0430\u0441 \u0434\u0435\u043b\u0430\u0435\u0442 \u043f\u0435\u0440\u0432\u044b\u0439 \u0440\u0430\u0431\u043e\u0447\u0438\u0439? \u0420\u0435\u0448\u0435\u043d\u0438\u0435 \u041f\u0443\u0441\u0442\u044c x \u0434\u0435\u0442\u0430\u043b\u0435\u0439 \u0432 \u0447\u0430\u0441 \u0434\u0435\u043b\u0430\u0435\u0442 \u0432\u0442\u043e\u0440\u043e\u0439 \u0440\u0430\u0431\u043e\u0447\u0438\u0439. \u0422\u043e\u0433\u0434\u0430 \u043f\u0435\u0440\u0432\u044b\u0439 \u0440\u0430\u0431\u043e\u0447\u0438\u0439 \u0431\u0443\u0434\u0435\u0442 \u0434\u0435\u043b\u0430\u0442\u044c x+6 \u0434\u0435\u0442\u0430\u043b\u0435\u0439 \u0432 \u0447\u0430\u0441. \u041f\u0435\u0440\u0432\u044b\u0439 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[62],"tags":[],"class_list":["post-861","post","type-post","status-publish","format-standard","hentry","category-zadanie-21"],"_links":{"self":[{"href":"https:\/\/currconv.ru\/blog\/wp-json\/wp\/v2\/posts\/861","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/currconv.ru\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/currconv.ru\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/currconv.ru\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/currconv.ru\/blog\/wp-json\/wp\/v2\/comments?post=861"}],"version-history":[{"count":0,"href":"https:\/\/currconv.ru\/blog\/wp-json\/wp\/v2\/posts\/861\/revisions"}],"wp:attachment":[{"href":"https:\/\/currconv.ru\/blog\/wp-json\/wp\/v2\/media?parent=861"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/currconv.ru\/blog\/wp-json\/wp\/v2\/categories?post=861"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/currconv.ru\/blog\/wp-json\/wp\/v2\/tags?post=861"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}