{"common":{"save":0,"post_id":"9119","level":1,"total":10,"point":10,"point_extra":0},"segment":[{"id":"5169","post_id":"9119","mon_id":"1159414","chapter_id":"1159500","question":"<p>5,6 m = <input class=\"tim_x input_number\" tpl=\"dien_so\" type=\"text\"\/> cm<\/p><p>7 km 90 m = <input class=\"tim_x input_number\" tpl=\"dien_so\" type=\"text\"\/> km<\/p>","options":"","correct":["[\"560\",\"7,09\"]"],"level":"1","hint":"<p>1 m = 100 cm<\/p><p>1 km = 1000 m<\/p>","answer":"<p><br \/>Các s\u1ed1 c\u1ea7n \u0111i\u1ec1n t\u1eeb trên xu\u1ed1ng d\u01b0\u1edbi l\u1ea7n l\u01b0\u1ee3t là <span style=\"color:#16a085;\"><strong>560 <\/strong><\/span>và <span style=\"color:#16a085;\"><strong>7,09<\/strong><\/span>.<\/p><p>5,6 m = 5,6 x 100 cm = <span style=\"color:#16a085;\"><strong>560 <\/strong><\/span>cm<\/p><p>7 km 90 m = 7 km + 90 : 1000 km = 1 km + 0,09 km = <span style=\"color:#16a085;\"><strong>7,09<\/strong><\/span> km<\/p>","type":"blank","extra_type":"","time":"0","user_id":"131","test":"0","date":"2025-05-01 09:20:11"},{"id":"5172","post_id":"9119","mon_id":"1159414","chapter_id":"1159500","question":"<p>5,2 m² = <input class=\"tim_x input_number\" tpl=\"dien_so\" type=\"text\"\/> cm²<\/p><p>3 km² 4 ha = <input class=\"tim_x input_number\" tpl=\"dien_so\" type=\"text\"\/> km²<\/p>","options":"","correct":["[\"52000\",\"3,04\"]"],"level":"1","hint":"<p>1 m² = 10000 cm²<\/p><p>1 km² = 100 ha<\/p>","answer":"<p>Các s\u1ed1 c\u1ea7n \u0111i\u1ec1n t\u1eeb trên xu\u1ed1ng d\u01b0\u1edbi l\u1ea7n l\u01b0\u1ee3t là <span style=\"color:#16a085;\"><strong>52000 <\/strong><\/span>và <span style=\"color:#16a085;\"><strong>3,04<\/strong><\/span>.<\/p><p>5,2 m² = 5,2 x 10000 cm² = <span style=\"color:#16a085;\"><strong>52000 <\/strong><\/span>cm²<\/p><p>3 km² 4 ha = 3 km² + 4 : 100 km² = 3 km² + 0,04 km² = <span style=\"color:#16a085;\"><strong>3,04<\/strong><\/span> km².<\/p>","type":"blank","extra_type":"","time":"0","user_id":"131","test":"0","date":"2025-05-01 09:30:45"},{"id":"5174","post_id":"9119","mon_id":"1159414","chapter_id":"1159500","question":"<p>N\u1ed1i s\u1ed1 \u0111o \u1edf c\u1ed9t bên trái cho thích h\u1ee3p v\u1edbi s\u1ed1 \u0111o \u1edf c\u1ed9t bên ph\u1ea3i.<\/p>","options":[["3 m³","0,3 dm³","30000 cm³"],["300 cm³","3000 dm³","0,03 m³"],["3000 dm³","300 cm³","0,03 m³"]],"correct":[1,0,2],"level":"1","hint":"<p>1 m³ = 1000 dm³ = 1 000 000 cm³<\/p><p>1 dm³ = 1000 cm³<\/p>","answer":"<p>Ta có <strong><span style=\"color:#8e44ad;\">3 m³<\/span> = <span style=\"color:#8e44ad;\">3000 dm³<\/span><\/strong> = 3 000 000 cm³<\/p><p> <strong><span style=\"color:#d35400;\">0,3 dm³<\/span> = <span style=\"color:#d35400;\">300 cm³<\/span><\/strong> = 0,0003 m³<\/p><p> <strong><span style=\"color:#2980b9;\">30000 cm³<\/span><\/strong> = 30 dm³ <strong>= <span style=\"color:#2980b9;\">0,03 m<\/span><span style=\"color:#2980b9;\">³<\/span><\/strong><\/p><p>\u0110áp án \u0111úng c\u1ea7n n\u1ed1i là<\/p><p><span style=\"color:#16a085;\"><strong>3 m³ = 3000 dm³ <\/strong><\/span><\/p><p><span style=\"color:#16a085;\"><strong>0,3 dm³ = 300 cm³<\/strong><\/span><\/p><p><span style=\"color:#16a085;\"><strong>30000 cm³ = 0,03 m³<\/strong><\/span><\/p>","type":"matching","extra_type":"mat_txt","time":"0","user_id":"131","test":"0","date":"2025-05-01 09:35:33"}]}