{"id":4947,"date":"2018-01-10T10:27:48","date_gmt":"2018-01-10T09:27:48","guid":{"rendered":"http:\/\/spbuk.pl\/?p=4947"},"modified":"2025-10-31T15:08:51","modified_gmt":"2025-10-31T14:08:51","slug":"4947","status":"publish","type":"post","link":"https:\/\/spbuk.pl\/?p=4947","title":{"rendered":"Matematyczna Liga Zadaniowa &#8211; stycze\u0144"},"content":{"rendered":"<p style=\"text-align: center;\"><b>KLASA 6<\/b><\/p>\n<p style=\"text-align: center;\"><strong>stycze\u0144 2018r.<\/strong><\/p>\n<p style=\"text-align: justify;\">Dzia\u0142ka pana Janka w kszta\u0142cie trapezu ma wymiary podane na rysunku:<\/p>\n<p><a href=\"https:\/\/spbuk.pl\/wp-content\/uploads\/2018\/01\/10\/4947\/zadanie-1.png\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-4949 size-full\" src=\"https:\/\/spbuk.pl\/wp-content\/uploads\/2018\/01\/10\/4947\/zadanie-1.png\" alt=\"\" width=\"322\" height=\"211\"><\/a><\/p>\n<ol>\n<li>Oblicz powierzchni\u0119 dzia\u0142ki. Wynik podaj w arach.<\/li>\n<li>Pan Jan planuje ogrodzi\u0107 dzia\u0142k\u0119 siatk\u0105, a tak\u017ce wykona\u0107 z drewna 3,5 m bram\u0119 wjazdow\u0105 oraz furtk\u0119 o szeroko\u015bci 1,25m. Ile metr\u00f3w siatki musi kupi\u0107 pan Jan?<\/li>\n<li>Na wiosn\u0119 pan Janek planuje obsia\u0107 dzia\u0142k\u0119 traw\u0105. Jedno opakowanie trawy wystarcza na obsianie 350 m<sup>2 <\/sup> Ile opakowa\u0144 trawy musi kupi\u0107 pan Jan?<\/li>\n<\/ol>\n<p><strong style=\"text-align: center;\">&nbsp;__________________________________________________________<\/strong><\/p>\n<p style=\"text-align: center;\"><strong>KLASA 7<\/strong><strong>&nbsp;<\/strong><\/p>\n<p style=\"text-align: center;\"><strong>stycze\u0144 2018r.<\/strong><\/p>\n<p style=\"text-align: justify;\"><strong><em>zadanie: G\u00f3ra lodowa<\/em><\/strong><\/p>\n<p style=\"text-align: justify;\">Okr\u0119ty p\u0142ywaj\u0105ce w rejonach podbiegunowych cz\u0119sto natrafiaj\u0105 na g\u00f3ry lodowe \u2013 olbrzymie masy dryfuj\u0105cego lodu. Ciekawostk\u0105 g\u00f3r lodowych jest to, \u017ce na powierzchni wody widoczna jest tylko niewielka jej cz\u0119\u015b\u0107, zdecydowana wi\u0119kszo\u015b\u0107 znajduje si\u0119 pod wod\u0105. Przyczyn\u0105 takiego zjawiska jest g\u0119sto\u015b\u0107. Ciek\u0142a woda ma wi\u0119ksz\u0105 g\u0119sto\u015b\u0107 ni\u017c l\u00f3d. Znaczy to, \u017ce waga 1 litra wody wynosi 1 kg, natomiast 1 litr lodu wa\u017cy 915 gram\u00f3w.<\/p>\n<p style=\"text-align: justify;\">Poni\u017cszy rysunek pokazuje proporcje nad i podwodnej cz\u0119\u015bci g\u00f3ry lodowej.<\/p>\n<p><a href=\"https:\/\/spbuk.pl\/wp-content\/uploads\/2018\/01\/10\/4947\/MLZ.png\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-4966 size-full\" src=\"https:\/\/spbuk.pl\/wp-content\/uploads\/2018\/01\/10\/4947\/MLZ.png\" alt=\"\" width=\"353\" height=\"186\"><\/a><\/p>\n<p style=\"text-align: justify;\">&nbsp; &nbsp; &nbsp; V<sub>1<\/sub> , V<sub>2<\/sub>&nbsp;&nbsp; obj\u0119to\u015b\u0107<\/p>\n<p style=\"text-align: justify;\">&nbsp;&nbsp;&nbsp;&nbsp; H<sub>1<\/sub> , H<sub>2&nbsp; <\/sub>&nbsp;wysoko\u015b\u0107<\/p>\n<p style=\"text-align: justify;\">Oblicz ile ton wa\u017cy g\u00f3ra lodowa, je\u017celi jej widoczna nad powierzchni\u0105 wody cz\u0119\u015b\u0107 ma obj\u0119to\u015b\u0107 10000 litr\u00f3w.<\/p>\n<p style=\"text-align: justify;\">Ile ton wa\u017cy\u0142aby woda o takiej samej obj\u0119to\u015bci jak ta g\u00f3ra lodowa?<\/p>\n","protected":false},"excerpt":{"rendered":"<p>KLASA 6 stycze\u0144 2018r. Dzia\u0142ka pana Janka w kszta\u0142cie trapezu ma wymiary podane na rysunku: Oblicz powierzchni\u0119 dzia\u0142ki. Wynik podaj w arach. Pan Jan planuje ogrodzi\u0107 dzia\u0142k\u0119 siatk\u0105, a tak\u017ce wykona\u0107 z drewna 3,5 m bram\u0119 wjazdow\u0105 oraz furtk\u0119 o szeroko\u015bci 1,25m. Ile metr\u00f3w siatki musi kupi\u0107 pan Jan? Na [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"ngg_post_thumbnail":0,"footnotes":""},"categories":[23],"tags":[],"class_list":["post-4947","post","type-post","status-publish","format-standard","hentry","category-aktualnosci"],"_links":{"self":[{"href":"https:\/\/spbuk.pl\/index.php?rest_route=\/wp\/v2\/posts\/4947","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/spbuk.pl\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/spbuk.pl\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/spbuk.pl\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/spbuk.pl\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=4947"}],"version-history":[{"count":2,"href":"https:\/\/spbuk.pl\/index.php?rest_route=\/wp\/v2\/posts\/4947\/revisions"}],"predecessor-version":[{"id":38226,"href":"https:\/\/spbuk.pl\/index.php?rest_route=\/wp\/v2\/posts\/4947\/revisions\/38226"}],"wp:attachment":[{"href":"https:\/\/spbuk.pl\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=4947"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/spbuk.pl\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=4947"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/spbuk.pl\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=4947"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}