{"common":{"save":0,"post_id":"7935","level":1,"total":10,"point":10,"point_extra":0},"segment":[{"id":"8575","post_id":"7935","mon_id":"1159278","chapter_id":"1159329","question":"<p>\u0110i\u1ec1n vào ch\u1ed7 ch\u1ea5m: “\u0110\u01b0\u1eddng th\u1eb3ng a và \u0111\u01b0\u1eddng tròn (O) g\u1ecdi là c\u1eaft nhau n\u1ebfu chúng có \u0111úng … \u0111i\u1ec3m chung”.<\/p>","options":["<strong>A.<\/strong> m\u1ed9t","<strong>B.<\/strong> hai","<strong>C.<\/strong> ba","<strong>D.<\/strong> b\u1ed1n"],"correct":"2","level":"1","hint":"","answer":"<p>Ch\u1ecdn <span style=\"color:#16a085;\"><strong>B.<\/strong> hai.<\/span><\/p><p>\u0110\u01b0\u1eddng th\u1eb3ng a và \u0111\u01b0\u1eddng tròn (O) g\u1ecdi là c\u1eaft nhau n\u1ebfu chúng có \u0111úng <span style=\"color:#16a085;\">hai <\/span>\u0111i\u1ec3m chung.<\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"127","test":"0","date":"2024-11-15 09:47:52","option_type":"txt","len":0},{"id":"8576","post_id":"7935","mon_id":"1159278","chapter_id":"1159329","question":"<p>\u0110i\u1ec1n vào ch\u1ed7 ch\u1ea5m: “\u0110\u01b0\u1eddng th\u1eb3ng a và \u0111\u01b0\u1eddng tròn (O) g\u1ecdi là … nhau n\u1ebfu chúng có duy nh\u1ea5t m\u1ed9t \u0111i\u1ec3m chung H. \u0110i\u1ec3m chung \u1ea5y g\u1ecdi là ti\u1ebfp \u0111i\u1ec3m”.<\/p>","options":["<strong>A.<\/strong> giao","<strong>B.<\/strong> c\u1eaft","<strong>C.<\/strong> trùng","<strong>D.<\/strong> ti\u1ebfp xúc"],"correct":"4","level":"1","hint":"","answer":"<p>Ch\u1ecdn <span style=\"color:#16a085;\"><strong>D.<\/strong> ti\u1ebfp xúc.<\/span><\/p><p>\u0110\u01b0\u1eddng th\u1eb3ng a và \u0111\u01b0\u1eddng tròn (O) g\u1ecdi là <span style=\"color:#16a085;\">ti\u1ebfp xúc<\/span> nhau n\u1ebfu chúng có duy nh\u1ea5t m\u1ed9t \u0111i\u1ec3m chung H. \u0110i\u1ec3m chung \u1ea5y g\u1ecdi là ti\u1ebfp \u0111i\u1ec3m.<\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"127","test":"0","date":"2024-11-15 09:49:28","option_type":"txt","len":2},{"id":"8577","post_id":"7935","mon_id":"1159278","chapter_id":"1159329","question":"<p>Cho \u0111\u01b0\u1eddng th\u1eb3ng a và \u0111i\u1ec3m O cách a m\u1ed9t kho\u1ea3ng b\u1eb1ng 4 cm. Ch\u1ecdn \u0111áp án <strong>\u0111úng<\/strong>:<\/p>","options":["<strong>A.<\/strong> \u0110\u01b0\u1eddng tròn (O; 3 cm) không c\u1eaft \u0111\u01b0\u1eddng th\u1eb3ng a.","<strong>B.<\/strong> \u0110\u01b0\u1eddng tròn (O; 3 cm) c\u1eaft \u0111\u01b0\u1eddng th\u1eb3ng a.","<strong>C.<\/strong> \u0110\u01b0\u1eddng tròn (O; 3 cm) ti\u1ebfp xúc v\u1edbi \u0111\u01b0\u1eddng th\u1eb3ng a.","<strong>D.<\/strong> \u0110\u01b0\u1eddng tròn (O; 3 cm) giao \u0111\u01b0\u1eddng th\u1eb3ng a."],"correct":"1","level":"1","hint":"","answer":"<p>Ch\u1ecdn <span style=\"color:#16a085;\"><strong>A.<\/strong> \u0110\u01b0\u1eddng tròn (O; 3 cm) không c\u1eaft \u0111\u01b0\u1eddng th\u1eb3ng a.<\/span><\/p><p>Vì d > R (4 > 3) nên \u0111\u01b0\u1eddng tròn (O; 3 cm) không c\u1eaft \u0111\u01b0\u1eddng th\u1eb3ng a.<\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"127","test":"0","date":"2024-11-15 09:50:31","option_type":"txt","len":3}]}
