{"common":{"save":0,"post_id":"7911","level":1,"total":10,"point":10,"point_extra":0},"segment":[{"id":"8204","post_id":"7911","mon_id":"1159278","chapter_id":"1159329","question":"<p>\u0110i\u1ec1n vào ch\u1ed7 ch\u1ea5m: \u0110\u01b0\u1eddng tròn tâm O bán kính R (R > 0) là hình g\u1ed3m các \u0111i\u1ec3m cách \u0111i\u1ec3m O m\u1ed9t kho\u1ea3ng ...<\/p>","options":["<strong>A.<\/strong> b\u1eb1ng R","<strong>B.<\/strong> b\u1eb1ng 2R","<strong>C.<\/strong> b\u1eb1ng 3R","<strong>D.<\/strong> b\u1eb1ng 4R"],"correct":"1","level":"1","hint":"","answer":"<p>Ch\u1ecdn <span style=\"color:#16a085;\"><strong>A.<\/strong> b\u1eb1ng R.<\/span><\/p><p>\u0110\u01b0\u1eddng tròn tâm O bán kính R (R > 0) là hình g\u1ed3m các \u0111i\u1ec3m cách \u0111i\u1ec3m O m\u1ed9t kho\u1ea3ng b\u1eb1ng R.<\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"127","test":"0","date":"2024-11-01 01:27:39","option_type":"txt","len":0},{"id":"8207","post_id":"7911","mon_id":"1159278","chapter_id":"1159329","question":"<p>\u0110i\u1ec3m M n\u1eb1m trong \u0111\u01b0\u1eddng tròn (O ; R) n\u1ebfu<\/p>","options":["<strong>A.<\/strong> OM < R","<strong>B.<\/strong> OM = R","<strong>C.<\/strong> OM > R","<strong>D.<\/strong> OM <span class=\"math-tex\">$\\ge$<\/span> R"],"correct":"1","level":"1","hint":"","answer":"<p>Ch\u1ecdn <span style=\"color:#27ae60;\"><strong>A.<\/strong> OM < R.<\/span><\/p><p>\u0110i\u1ec3m M n\u1eb1m trong \u0111\u01b0\u1eddng tròn (O ; R) n\u1ebfu OM < R.<\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"127","test":"0","date":"2024-11-01 01:29:24","option_type":"math","len":0},{"id":"8209","post_id":"7911","mon_id":"1159278","chapter_id":"1159329","question":"<p>\u0110i\u1ec1n vào ch\u1ed7 ch\u1ea5m: N\u1ebfu A là m\u1ed9t \u0111i\u1ec3m c\u1ee7a \u0111\u01b0\u1eddng tròn (O) thì ta vi\u1ebft A ∈ (O). Khi \u0111ó ta còn nói \u0111\u01b0\u1eddng tròn (O) \u0111i qua \u0111i\u1ec3m A, hay \u0111i\u1ec3m A … \u0111\u01b0\u1eddng tròn (O).<\/p>","options":["<strong>A.<\/strong> n\u1eb1m trong ","<strong>B.<\/strong> n\u1eb1m ngoài","<strong>C.<\/strong> n\u1eb1m trên","<strong>D.<\/strong> \u0110áp án khác"],"correct":"3","level":"1","hint":"","answer":"<p>Ch\u1ecdn <span style=\"color:#16a085;\"><strong>C.<\/strong> n\u1eb1m trên.<\/span><\/p><p>N\u1ebfu A là m\u1ed9t \u0111i\u1ec3m c\u1ee7a \u0111\u01b0\u1eddng tròn (O) thì ta vi\u1ebft A ∈ (O). Khi \u0111ó ta còn nói \u0111\u01b0\u1eddng tròn (O) \u0111i qua \u0111i\u1ec3m A, hay \u0111i\u1ec3m A n\u1eb1m trên \u0111\u01b0\u1eddng tròn (O).<\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"127","test":"0","date":"2024-11-01 01:32:19","option_type":"txt","len":2}]}