{"id":132,"date":"2019-10-08T03:13:46","date_gmt":"2019-10-08T03:13:46","guid":{"rendered":"http:\/\/blog.newtonchineseschool.org\/lilijia\/?p=132"},"modified":"2019-10-08T03:13:46","modified_gmt":"2019-10-08T03:13:46","slug":"aops_cp-week-5","status":"publish","type":"post","link":"https:\/\/blog.newtonchineseschool.org\/lilijia\/2019\/10\/08\/aops_cp-week-5\/","title":{"rendered":"AOPS_CP Week 5"},"content":{"rendered":"<p>A warm welcome to our new friend, <strong>Susan<\/strong>!<\/p>\n<p>Happy Birthday to <strong>Linda<\/strong> (10\/5)!<\/p>\n<p>&nbsp;<\/p>\n<p><strong>Lesson review:<\/strong><\/p>\n<p>Chapter\u00a04: Committees and Combinations<\/p>\n<p>1. Choosing a &#8220;committee&#8221; (&#8220;combination&#8221;): the order doesn&#8217;t matter; while in a &#8220;permutation&#8221;, the order matters.<\/p>\n<p>2. &#8220;n choose r&#8221;:\u00a0<a href=\"http:\/\/blog.newtonchineseschool.org\/lilijia\/files\/2019\/10\/combinations.png\"><img loading=\"lazy\" class=\"alignnone size-medium wp-image-133\" src=\"http:\/\/blog.newtonchineseschool.org\/lilijia\/files\/2019\/10\/combinations-300x210.png\" alt=\"combinations\" width=\"300\" height=\"210\" srcset=\"https:\/\/blog.newtonchineseschool.org\/lilijia\/files\/2019\/10\/combinations-300x210.png 300w, https:\/\/blog.newtonchineseschool.org\/lilijia\/files\/2019\/10\/combinations.png 514w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p>3. Combinatorial identity:<\/p>\n<p><img loading=\"lazy\" class=\"alignnone size-medium wp-image-134\" src=\"http:\/\/blog.newtonchineseschool.org\/lilijia\/files\/2019\/10\/slide_21-300x225.jpg\" alt=\"slide_21\" width=\"300\" height=\"225\" srcset=\"https:\/\/blog.newtonchineseschool.org\/lilijia\/files\/2019\/10\/slide_21-300x225.jpg 300w, https:\/\/blog.newtonchineseschool.org\/lilijia\/files\/2019\/10\/slide_21.jpg 960w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p><strong>Homework:<\/strong><\/p>\n<ul>\n<li>Page 68: Ex 4.2.1, 4.2.3, 4.2.4<\/li>\n<li>Page 72: Ex 4.3.2\u00a0to 4.3.5<\/li>\n<li>Page 75: Ex 4.4.1 to 4.4.4<\/li>\n<\/ul>\n<p><strong>Extra Resource:<\/strong><\/p>\n<p><a href=\"https:\/\/www.khanacademy.org\/math\/precalculus\/x9e81a4f98389efdf:prob-comb#x9e81a4f98389efdf:combinations\">https:\/\/www.khanacademy.org\/math\/precalculus\/x9e81a4f98389efdf:prob-comb#x9e81a4f98389efdf:combinations<\/a><\/p>\n<p><strong>Next week:<\/strong><\/p>\n<p>if you are not coming next Sunday, please inform me ahead. So that I can plan my lesson accordingly. Thanks \ud83d\ude42<\/p>\n","protected":false},"excerpt":{"rendered":"<p>A warm welcome to our new friend, Susan! Happy Birthday to Linda (10\/5)! &nbsp; Lesson review: Chapter\u00a04: Committees and Combinations 1. Choosing a &#8220;committee&#8221; (&#8220;combination&#8221;): the order doesn&#8217;t matter; while in a &#8220;permutation&#8221;, the order matters. 2. &#8220;n choose r&#8221;:\u00a0 3. Combinatorial identity: &nbsp; &nbsp; Homework: Page 68: Ex 4.2.1, 4.2.3, 4.2.4 Page 72: Ex [&hellip;]<\/p>\n","protected":false},"author":157,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"ngg_post_thumbnail":0},"categories":[1],"tags":[],"_links":{"self":[{"href":"https:\/\/blog.newtonchineseschool.org\/lilijia\/wp-json\/wp\/v2\/posts\/132"}],"collection":[{"href":"https:\/\/blog.newtonchineseschool.org\/lilijia\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.newtonchineseschool.org\/lilijia\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.newtonchineseschool.org\/lilijia\/wp-json\/wp\/v2\/users\/157"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.newtonchineseschool.org\/lilijia\/wp-json\/wp\/v2\/comments?post=132"}],"version-history":[{"count":1,"href":"https:\/\/blog.newtonchineseschool.org\/lilijia\/wp-json\/wp\/v2\/posts\/132\/revisions"}],"predecessor-version":[{"id":135,"href":"https:\/\/blog.newtonchineseschool.org\/lilijia\/wp-json\/wp\/v2\/posts\/132\/revisions\/135"}],"wp:attachment":[{"href":"https:\/\/blog.newtonchineseschool.org\/lilijia\/wp-json\/wp\/v2\/media?parent=132"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.newtonchineseschool.org\/lilijia\/wp-json\/wp\/v2\/categories?post=132"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.newtonchineseschool.org\/lilijia\/wp-json\/wp\/v2\/tags?post=132"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}