IB 수학 개념 쉽게 가르치는 3가지 핵심 방법ㅣ아이비더탑

array(10) { [0]=> object(stdClass)#4287 (5) { ["video_id"]=> int(9999999) ["related_video_id"]=> string(11) "NbT3AJvq2hk" ["related_video_title"]=> string(63) "ToK 전시회와 에세이에서 A 받는 법ㅣ아이비더탑" ["posted_time"]=> string(23) "1 месяц назад" ["channelName"]=> string(8) "더탑TV" } [1]=> object(stdClass)#4260 (5) { ["video_id"]=> int(9999999) ["related_video_id"]=> string(11) "sqfOkXYpuWA" ["related_video_title"]=> string(113) "'통합과학 핵심은 '이것!'' 초중고 과학 공부, 이대로만 해주세요!!(과학 1타강사 장풍)" ["posted_time"]=> string(19) "1 год назад" ["channelName"]=> string(17) "교육대기자TV" } [2]=> object(stdClass)#4285 (5) { ["video_id"]=> int(9999999) ["related_video_id"]=> string(11) "5NAfSADFuMw" ["related_video_title"]=> string(116) "IB 영어 Lang Lit ‘개념서·인강·현강’ 완성형 3단계 솔루션ㅣ아이비더탑" ["posted_time"]=> string(25) "3 недели назад" ["channelName"]=> string(8) "더탑TV" } [3]=> object(stdClass)#4292 (5) { ["video_id"]=> int(9999999) ["related_video_id"]=> string(11) "LJbBIfL0RLA" ["related_video_title"]=> string(71) "편입수학 1타 강사만 잘 골라도 올해 편입 합격합니다" ["posted_time"]=> string(19) "1 год назад" ["channelName"]=> string(15) "편입학개론" } [4]=> object(stdClass)#4271 (5) { ["video_id"]=> int(9999999) ["related_video_id"]=> string(11) "DNh9UU-Sy3s" ["related_video_title"]=> string(61) "역전의 기회 논술! 이렇게 안하면 떨어집니다." ["posted_time"]=> string(21) "5 дней назад" ["channelName"]=> string(51) "GIN_SSAM | 이공계전문 입시전략컨설턴트" } [5]=> object(stdClass)#4289 (5) { ["video_id"]=> int(9999999) ["related_video_id"]=> string(11) "W-D-aca2eVM" ["related_video_title"]=> string(56) "IB English Language and Literature Online Lecture Series" ["posted_time"]=> string(21) "9 дней назад" ["channelName"]=> string(8) "더탑TV" } [6]=> object(stdClass)#4284 (5) { ["video_id"]=> int(9999999) ["related_video_id"]=> string(11) "blWdjRUPP6E" ["related_video_title"]=> string(72) "Разведчик о том, как использовать людей" ["posted_time"]=> string(22) "12 дней назад" ["channelName"]=> string(18) "Коллектив" } [7]=> object(stdClass)#4294 (5) { ["video_id"]=> int(9999999) ["related_video_id"]=> string(11) "q6KDPjYSS0o" ["related_video_title"]=> string(54) "IB 수학과 한국 수학의 차이ㅣ아이비더탑" ["posted_time"]=> string(21) "3 года назад" ["channelName"]=> string(8) "더탑TV" } [8]=> object(stdClass)#4270 (5) { ["video_id"]=> int(9999999) ["related_video_id"]=> string(11) "eD3Y_HkOpoU" ["related_video_title"]=> string(112) "⚡️ Армия пошла в жёсткую атаку || США требуют заморозки войны" ["posted_time"]=> string(23) "6 часов назад" ["channelName"]=> string(23) "Время Прядко" } [9]=> object(stdClass)#4288 (5) { ["video_id"]=> int(9999999) ["related_video_id"]=> string(11) "_nBRo84zKcg" ["related_video_title"]=> string(59) "IB English Language and Literature vs LiteratureㅣIBtheTOP" ["posted_time"]=> string(27) "7 месяцев назад" ["channelName"]=> string(8) "더탑TV" } }