{"common":{"save":0,"post_id":"7632","level":2,"total":10,"point":10,"point_extra":0},"segment":[{"id":"1297","post_id":"7632","mon_id":"1159414","chapter_id":"1159417","question":"<p>Ch\u1ecdn ph&acirc;n s\u1ed1 b&eacute; nh\u1ea5t.<\/p>","options":["<strong>A.<\/strong> <span class=\"math-tex\">$\\dfrac{5}{6}$<\/span>","<strong>B.<\/strong> <span class=\"math-tex\">$\\dfrac{4}{9}$<\/span>","<strong>C.<\/strong> <span class=\"math-tex\">$\\dfrac{47}{54}$<\/span>","<strong>D.<\/strong> <span class=\"math-tex\">$\\dfrac{7}{18}$<\/span>"],"correct":"4","level":"2","hint":"","answer":"<p>Ch\u1ecdn&nbsp;<span style=\"color:#27ae60;\"><strong>D.<\/strong>&nbsp;<span class=\"math-tex\">$\\dfrac{7}{18}$<\/span>.<\/span><\/p><p>M\u1eabu s\u1ed1 chung l&agrave; 54.<\/p><p><span class=\"math-tex\">$\\dfrac{5}{6}=\\dfrac{5\\times9}{6\\times9}=\\dfrac{45}{54}$<\/span>&nbsp;;&nbsp;<span class=\"math-tex\">$\\dfrac{4}{9}=\\dfrac{4\\times6}{9\\times6}=\\dfrac{24}{54}$<\/span>&nbsp;;&nbsp;<span class=\"math-tex\">$\\dfrac{7}{18}=\\dfrac{7\\times3}{18\\times3}=\\dfrac{21}{54}$<\/span><\/p><p>Ta c&oacute;&nbsp;<span class=\"math-tex\">$\\dfrac{21}{54}<\\dfrac{24}{54}<\\dfrac{45}{54}<\\dfrac{47}{54}$<\/span>&nbsp;n&ecirc;n ph&acirc;n s\u1ed1 b&eacute; nh\u1ea5t l&agrave;&nbsp;<span class=\"math-tex\">$\\dfrac{7}{18}$<\/span>.<\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2024-09-12 02:04:34","option_type":"math","len":0},{"id":"1302","post_id":"7632","mon_id":"1159414","chapter_id":"1159417","question":"<p>T&igrave;m ph&acirc;n s\u1ed1 bi\u1ec3u th\u1ecb s\u1ed1 h&igrave;nh ng&ocirc;i sao so v\u1edbi s\u1ed1&nbsp;h&igrave;nh ch\u1eef nh\u1eadt trong h&igrave;nh v\u1ebd d\u01b0\u1edbi \u0111&acirc;y.<\/p><p><span class=\"svgedit\"><svg height=\"170\" width=\"320\"> <g>&lt;title&gt;&lt;\/title><rect fill=\"none\" height=\"172\" id=\"canvas_background\" width=\"322\" x=\"-1\" y=\"-1\"><\/rect> <g display=\"none\" id=\"canvasGrid\"> <rect fill=\"url(#gridpattern)\" height=\"100%\" id=\"svg_12\" stroke-width=\"0\" width=\"100%\" x=\"0\" y=\"0\"><\/rect> <\/g> <\/g> <g>&lt;title&gt;&lt;\/title><path d=\"m12.865,34.84722l21.00828,0l6.49172,-20.62622l6.49172,20.62622l21.00828,0l-16.99602,12.74756l6.49206,20.62622l-16.99603,-12.74791l-16.99603,12.74791l6.49206,-20.62622l-16.99603,-12.74756l-0.00001,0z\" fill=\"#ffff56\" id=\"svg_1\" stroke=\"#000\" stroke-width=\"1.5\"><\/path> <path d=\"m72.865,34.84722l21.00828,0l6.49172,-20.62622l6.49172,20.62622l21.00828,0l-16.99602,12.74756l6.49205,20.62622l-16.99603,-12.74791l-16.99603,12.74791l6.49206,-20.62622l-16.99603,-12.74756z\" fill=\"#ffff56\" id=\"svg_2\" stroke=\"#000\" stroke-width=\"1.5\"><\/path> <path d=\"m132.75,34.84722l21.00828,0l6.49172,-20.62622l6.49172,20.62622l21.00828,0l-16.99602,12.74756l6.49205,20.62622l-16.99603,-12.74791l-16.99603,12.74791l6.49206,-20.62622l-16.99603,-12.74756z\" fill=\"#ffff56\" id=\"svg_3\" stroke=\"#000\" stroke-width=\"1.5\"><\/path> <path d=\"m192.75,34.84722l21.00828,0l6.49172,-20.62622l6.49172,20.62622l21.00828,0l-16.99602,12.74756l6.49205,20.62622l-16.99603,-12.74791l-16.99603,12.74791l6.49206,-20.62622l-16.99603,-12.74756z\" fill=\"#ffff56\" id=\"svg_4\" stroke=\"#000\" stroke-width=\"1.5\"><\/path> <path d=\"m252.75,34.37622l21.00828,0l6.49172,-20.62622l6.49172,20.62622l21.00828,0l-16.99602,12.74756l6.49205,20.62622l-16.99603,-12.74791l-16.99603,12.74791l6.49206,-20.62622l-16.99603,-12.74756z\" fill=\"#ffff56\" id=\"svg_5\" stroke=\"#000\" stroke-width=\"1.5\"><\/path> <rect fill=\"#aaffaa\" height=\"28\" id=\"svg_6\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"1.5\" width=\"60\" x=\"38\" y=\"81.25\"><\/rect> <rect fill=\"#aaffaa\" height=\"28\" id=\"svg_7\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"1.5\" width=\"60\" x=\"128\" y=\"81.25\"><\/rect> <rect fill=\"#aaffaa\" height=\"28\" id=\"svg_8\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"1.5\" width=\"60\" x=\"218\" y=\"81.25\"><\/rect> <rect fill=\"#aaffaa\" height=\"28\" id=\"svg_9\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"1.5\" width=\"60\" x=\"38\" y=\"131\"><\/rect> <rect fill=\"#aaffaa\" height=\"28\" id=\"svg_10\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"1.5\" width=\"60\" x=\"128\" y=\"131\"><\/rect> <rect fill=\"#aaffaa\" height=\"28\" id=\"svg_11\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"1.5\" width=\"60\" x=\"218\" y=\"131\"><\/rect> <\/g> <\/svg><\/span><\/p>","options":["<strong>A.<\/strong> <span class=\"math-tex\">$\\dfrac{5}{6}$<\/span>","<strong>B.<\/strong> <span class=\"math-tex\">$\\dfrac{5}{3}$<\/span>","<strong>C.<\/strong> <span class=\"math-tex\">$\\dfrac{5}{2}$<\/span>","<strong>D.<\/strong> <span class=\"math-tex\">$\\dfrac{4}{6}$<\/span>"],"correct":"1","level":"2","hint":"","answer":"<p>Ch\u1ecdn&nbsp;<span style=\"color:#16a085;\"><strong>A.<\/strong>&nbsp;<span class=\"math-tex\">$\\dfrac{5}{6}$<\/span>&nbsp;.<\/span><\/p><p>H&igrave;nh v\u1ebd c&oacute; 5 h&igrave;nh ng&ocirc;i sao, 6 h&igrave;nh ch\u1eef nh\u1eadt.<\/p><p>Ph&acirc;n s\u1ed1 bi\u1ec3u th\u1ecb s\u1ed1 h&igrave;nh ng&ocirc;i sao so v\u1edbi s\u1ed1&nbsp;h&igrave;nh ch\u1eef nh\u1eadt trong h&igrave;nh v\u1ebd&nbsp;l&agrave;&nbsp;&nbsp;<span class=\"math-tex\">$\\dfrac{5}{6}$<\/span>.<\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2024-09-12 02:12:55","option_type":"math","len":0},{"id":"1306","post_id":"7632","mon_id":"1159414","chapter_id":"1159417","question":"<p>H&igrave;nh v\u1ebd d\u01b0\u1edbi \u0111&acirc;y c&oacute; m\u1ea5y c\u1eb7p \u0111\u01b0\u1eddng th\u1eb3ng song song v\u1edbi nhau?<\/p><p><span class=\"svgedit\"><svg height=\"150\" width=\"320\"> <g>&lt;title&gt;&lt;\/title><rect fill=\"none\" height=\"152\" id=\"canvas_background\" width=\"322\" x=\"-1\" y=\"-1\"><\/rect> <g display=\"none\" height=\"100%\" id=\"canvasGrid\" overflow=\"visible\" width=\"100%\" x=\"0\" y=\"0\"> <rect fill=\"url(#gridpattern)\" height=\"100%\" stroke-width=\"0\" width=\"100%\" x=\"0\" y=\"0\"><\/rect> <\/g> <\/g> <g>&lt;title&gt;&lt;\/title><line fill=\"none\" id=\"svg_1\" stroke=\"#0000ff\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"3\" x1=\"4\" x2=\"314\" y1=\"43\" y2=\"43.25\"><\/line> <line fill=\"none\" fill-opacity=\"null\" id=\"svg_2\" stroke=\"#ff007f\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"3\" x1=\"33\" x2=\"103\" y1=\"16.25\" y2=\"132.25\"><\/line> <line fill=\"none\" fill-opacity=\"null\" id=\"svg_3\" stroke=\"#ff0000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"3\" x1=\"82\" x2=\"152\" y1=\"16.25\" y2=\"132.25\"><\/line> <line fill=\"none\" fill-opacity=\"null\" id=\"svg_4\" stroke=\"#007f00\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"3\" x1=\"246\" x2=\"187\" y1=\"14.25\" y2=\"133.25\"><\/line> <line fill=\"none\" fill-opacity=\"null\" id=\"svg_5\" stroke=\"#bf5f00\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"3\" x1=\"300\" x2=\"241\" y1=\"14.25\" y2=\"133.25\"><\/line> <\/g> <\/svg><\/span><\/p>","options":["<strong>A.<\/strong> 3","<strong>B.<\/strong> 2","<strong>C.<\/strong> 4","<strong>D.<\/strong> 1"],"correct":"2","level":"2","hint":"","answer":"<p>Ch\u1ecdn&nbsp;<span style=\"color:#16a085;\"><strong>B.<\/strong> 2<\/span>.<\/p><p>H&igrave;nh v\u1ebd&nbsp;c&oacute; 2 c\u1eb7p \u0111\u01b0\u1eddng th\u1eb3ng song song v\u1edbi nhau.<\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2024-09-12 02:17:07","option_type":"txt","len":0}]}