{"id":128,"date":"2020-08-02T19:07:33","date_gmt":"2020-08-02T16:07:33","guid":{"rendered":"https:\/\/philokatholos.getway.org\/?p=128"},"modified":"2020-08-02T19:07:33","modified_gmt":"2020-08-02T16:07:33","slug":"mental-arithmetic","status":"publish","type":"post","link":"https:\/\/philokatholos.getway.org\/?p=128","title":{"rendered":"Mental arithmetic"},"content":{"rendered":"\n<figure class=\"wp-block-image size-large\"><img src=\"https:\/\/i.stack.imgur.com\/xDbZb.jpg\" alt=\"\"\/><figcaption>Mental Arithmetic, In the Public School of S. Rachinsky, Nikolay Bogdanov-Belsky, 1895<\/figcaption><\/figure>\n\n\n\n<p>The boy in the front line is probably thinking: &#8220;As $10^2 + 11^2 + 12^2 = 365$ and $13^2 + 14^2 = 365$, therefore $\\frac{10^2 + 11^2 + 12^2 + 13^2 + 14^2}{365} = \\frac{2 \\times 365}{365} = 2$&#8221;.<\/p>\n\n\n\n<p>But why does the pupil behind, looks so scared while staring at him? <\/p>\n\n\n\n<p>And what is he possibly trying to say to his teacher?<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The boy in the front line is probably thinking: &#8220;As $10^2 + 11^2 + 12^2 = 365$ and $13^2 + 14^2 = 365$, therefore $\\frac{10^2 + 11^2 + 12^2 + 13^2 + 14^2}{365} = \\frac{2 \\times 365}{365} = 2$&#8221;. But why does the pupil behind, looks so scared while staring at him? And what is &hellip; <\/p>\n<p class=\"link-more\"><a href=\"https:\/\/philokatholos.getway.org\/?p=128\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &#8220;Mental arithmetic&#8221;<\/span><\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[1],"tags":[],"_links":{"self":[{"href":"https:\/\/philokatholos.getway.org\/index.php?rest_route=\/wp\/v2\/posts\/128"}],"collection":[{"href":"https:\/\/philokatholos.getway.org\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/philokatholos.getway.org\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/philokatholos.getway.org\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/philokatholos.getway.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=128"}],"version-history":[{"count":7,"href":"https:\/\/philokatholos.getway.org\/index.php?rest_route=\/wp\/v2\/posts\/128\/revisions"}],"predecessor-version":[{"id":135,"href":"https:\/\/philokatholos.getway.org\/index.php?rest_route=\/wp\/v2\/posts\/128\/revisions\/135"}],"wp:attachment":[{"href":"https:\/\/philokatholos.getway.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=128"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/philokatholos.getway.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=128"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/philokatholos.getway.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=128"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}