[티비냥] (ENG/SPA/IND) Kyung's Oxford Entrance | Problematic Men 문제적남자 160515

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ความคิดเห็น • 137

  • @RiaAmanda15
    @RiaAmanda15 5 ปีที่แล้ว +250

    Kyuhyun brought me to problematic men but now I kept on watching because of Kyung 👏 baaam

    • @anneromero67
      @anneromero67 4 ปีที่แล้ว +2

      Same here

    • @indriratnasari9713
      @indriratnasari9713 4 ปีที่แล้ว

      me too.

    • @nilanjana99Ji
      @nilanjana99Ji 4 ปีที่แล้ว

      Same here

    • @fionalee337
      @fionalee337 4 ปีที่แล้ว +1

      Agent Romanoff . Same here for me and I am so amazed at how smart he is

    • @lluser09
      @lluser09 4 ปีที่แล้ว

      may i know where can i watch it with eng sub?

  • @yourfavouritefish9581
    @yourfavouritefish9581 3 ปีที่แล้ว +41

    The charming point of park kyung is not just because he can solve it super fast, but it's also because he can explain it amazingly well.

  • @wjx8439
    @wjx8439 5 ปีที่แล้ว +156

    basically only 'square number' lockers stay open because they have an *ODD* number of positive *factors*
    what are positive *factors* ?
    take an example like 15
    15=1×15=3×5
    so 1,3,5,15 are all positive *factors* of 15
    as for all non-square numbers, their positive *factors* have their own couple,
    example like 15 too
    15=1×15=3×5
    so 1&15 are couples, 3&5 are couples
    so non-square numbers must have an *EVEN* number of positive *factors*
    what about square numbers?
    take 16 as example,
    16=1×16=2×8=4×4
    1&16 are couples, 2&8 are couples
    but 4 is considered 'single'
    so square numbers must have an *ODD* number of positive *factors*
    so why bother *EVEN* or *ODD* ?
    we know that the lockers were initially closed
    and we can know that only positive *factors* of the number of the locker can touch the locker itself
    take 6 as example,
    only if N=1/2/3/6,
    then the N-th student will touch the 6th locker
    so if the lockers need to be open at the end of the process,
    then the locker must be touched for an *ODD* number of times
    in other words, only numbers with *ODD* number of positive *factors* can be open at the end of the process
    hence only 'square numbers' lockers stay open at the end of the process
    P.S: bad english sorry

    • @grieyan3050
      @grieyan3050 5 ปีที่แล้ว

      nice explanation!

    • @armints4941
      @armints4941 4 ปีที่แล้ว

      Cool, but you still need to count upto 100 number since not only square number can have odd number of positive factors, xmpl: 33,34,35,37,...,46,47,48,...- required endurance

    • @meghnasinha7167
      @meghnasinha7167 4 ปีที่แล้ว

      @@armints4941 33 : 1,3,11,33
      34: 1,2,17,34
      They all have even factors my dude

    • @anonymouspotato
      @anonymouspotato 4 ปีที่แล้ว

      Do it's kinda like how you do LCM? I see....

  • @살구파이
    @살구파이 5 ปีที่แล้ว +330

    자기 번호의 배수에 해당하는 문을 열거나 닫는다는 건 사물함 숫자의 약수의 개수만큼 열리고 닫힌다는 거니까 약수의 개수가 홀수인 제곱수만 사물함이 열려 있겠죠!

    • @fvgwev
      @fvgwev 5 ปีที่แล้ว +3

      오 ㅋㅋ이해쉽네

    • @JY-ed1qg
      @JY-ed1qg 5 ปีที่แล้ว +51

      이 풀이가 배앰 이네

    • @자유인생-v5x
      @자유인생-v5x 5 ปีที่แล้ว +1

      이게 오지네

    • @paom
      @paom 5 ปีที่แล้ว

      박수

    • @piribuisaman2673
      @piribuisaman2673 5 ปีที่แล้ว +6

      완벽한 풀이임 ㅋㅋ 이거 바로 생각하면 간단해요

  • @ayanasmilie
    @ayanasmilie 5 ปีที่แล้ว +64

    보자마자 풀었는데 머리가 좋아서가 아니고 그냥 입시수학에 찌들어서임 ㅋㅋㅋㅋㅋㅋㅋ 20대 중반까지도 외워버린 풀이...

  • @potatonaa2543
    @potatonaa2543 5 ปีที่แล้ว +79

    Even if Kyung explain it in front of me.. I still can't understand..

  • @lilli95
    @lilli95 4 ปีที่แล้ว +28

    요 며칠 박경이 문제푼거 영상 엄청 많이 봤는데.. 아직도 안 본게 있다니ㅋㅋㅋㅋㅋㅋㅋㅋㅋ

  • @cantikafaleriaastrid6692
    @cantikafaleriaastrid6692 4 ปีที่แล้ว +23

    I still watching this, hope my brain will rise and my IQ will increase also help me to pass the exam and even i try hard to solve the problem they are different from others soooo lets just learn😂

  • @user-tm8xv3te4s
    @user-tm8xv3te4s 5 ปีที่แล้ว +38

    와 옥스포드 시리즈 귀호강 오진다
    .. 영국발음 최고야....

  • @보현-l8z
    @보현-l8z 5 ปีที่แล้ว +147

    문남분들 경이 아끼는 거 보인다💜💜💜

  • @bbgirlcomey
    @bbgirlcomey 5 ปีที่แล้ว +60

    Did they skip the time for them to resolve the problem? I wish they let us know how much time they take to solve a problem..this is Oxford university question we are talking about

    • @chuweeeeeeeeeee
      @chuweeeeeeeeeee 5 ปีที่แล้ว +2

      of course they would cut the time

    • @plum7t
      @plum7t 4 ปีที่แล้ว +9

      The actual episode is longer. They only upload highlights on TH-cam for views.

    • @tm.8399
      @tm.8399 4 ปีที่แล้ว +3

      @@plum7t Even in the episode they cut times, they pass sometimes 30 to1 hour ont the same problem.

    • @plum7t
      @plum7t 4 ปีที่แล้ว +2

      @@tm.8399 Thats because there is something funny or interesting happening to keep non-fans/ people who accidentally clicked the video interested

    • @mulbaybetul5924
      @mulbaybetul5924 3 ปีที่แล้ว

      So do you know in how much time he got it right?

  • @dilmavasconcelos3
    @dilmavasconcelos3 4 ปีที่แล้ว +23

    He is teaching math and logical to people all around the world!!!! What a great teacher he is!!! 👏👏👏👏 from Brazil!

  • @hhee788
    @hhee788 5 ปีที่แล้ว +10

    사물함 입장에서 보면 편함.
    누가 먼저 들어오는지도 상관 없음.
    사물함 입장에선 단지 자기 약수의 개수만큼 열렸다 닫혔다 할 뿐임.
    즉, 약수의 개수가 홀수면 모든 학생이 사물함을 건드린 후 열려있고 약수의 개수가 짝수면 닫혀있다는거임.
    이제 약수의 개수만 구하면 되는데 그건 약수의 대칭성을 생각해보면 쉽게 알 수 있음.
    예를 들자면 12의 약수는 1,2,3,4,6,12임.
    이때, 12 = 1×12 = 2×6 = 3×4 여기서 약수로 1을 구하면 12가 같이 구해지고 2를 구하면 6이 같이 구해지고 3을 구하면 4가 같이 구해진다는 것을 알 수 있음.
    즉, 약수가 한 번에 2개씩 구해진다는 것이고 이 말은 약수의 개수가 짝수라는걸 의미함.
    근데 우리는 약수의 개수가 홀수인걸 찾아야함.
    그럼 약수가 한 번에 2개씩 구해지지 않는 경우, 다르게 말하면 그 2개가 겹치는 경우를 찾으면 됨.
    이제 다 푼거임.
    한 번에 구해지는 2개가 겹친다는 건
    k = a×a 라는 뜻이고 즉, k = 어떤 수의 제곱수라는 거임.
    그러니까 답은 k=

  • @michellef3575
    @michellef3575 5 ปีที่แล้ว +62

    i watched problematic men because of taemin now i cant stop watching bc of kyung

    • @anneromero67
      @anneromero67 4 ปีที่แล้ว +3

      There's no Park Kyung in their next season. 😭😭😭

  • @ylogicmachine6812
    @ylogicmachine6812 5 ปีที่แล้ว +72

    한국 사람들한텐 중학생 수준 문제여도 유럽, 미국에서는 고등학생, 대학생 수준 문제인 거죠 솔직히 다른 건 모르겠지만 수학 특히 문제풀이용 수학은 중국, 한국, 북한을 따라잡을 수 없음
    대신 증명용 수학이나 학문적 깊이, 철학적 사고를 필요하는 진짜 수학은 우리나라가 프랑스, 영국, 미국 등을 못 따라잡고있죠 현재로써는ㅇㅅㅇ

    • @발랄랄랄
      @발랄랄랄 5 ปีที่แล้ว

      철학은 독일

    • @piribuisaman2673
      @piribuisaman2673 5 ปีที่แล้ว +3

      북한?? 수학은 한국 중국 인도 정도죠. 북한은 좀...

    • @piribuisaman2673
      @piribuisaman2673 5 ปีที่แล้ว +5

      아 그리고 수학쪽 학위에 대해서 우리나라에서 나오지 않는 이유는 단순해요 우리나라의 천재들은 판사 검사 의사 변호사를 하거든요.

    • @piribuisaman2673
      @piribuisaman2673 5 ปีที่แล้ว +3

      @@이상민-g9r 똑똑한 사람들이 다 판검사 하지요. 사회적으로 우대 받으니까요. 누가 연구실에서 연구나 하고 있습니까. 진짜 몇안되는 사람들이나 하고싶은 연구가 있어서 연구실에서 일하는거지요.

    • @piribuisaman2673
      @piribuisaman2673 5 ปีที่แล้ว +1

      @@이상민-g9r ㅋㅋㅋ?? 저기요 멍청한 소리하는데 수학 잘하는 애들이 뭔 국어, 외국어는 못할거라고 생각하는거임?ㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋ
      님 급식이죠? 공부 못하는 급식? ㅋㅋ 수준이 딱보이네요 인터넷 할시간에 책좀 읽고 사고력좀 기르셈

  • @nadinekhansa6308
    @nadinekhansa6308 5 ปีที่แล้ว +19

    i can't believe i thought how many times the locker would open, i took me awhile and got the answer, but turns out the question was how many locker would be open in the end.. i guess i have to read more carefully next time

    • @madamepumpkin
      @madamepumpkin 4 ปีที่แล้ว +1

      I didn’t read carefully as well. I thought only ppl with an n-th number were allowed to open or close n-th locker. So 1st, 2nd and 3rd would stay closed and the other are all open-closed-open-closed and so on. For this 97 ppl opened or closed the lockers 😂 and its either all closed or 3 closed 97 open 😅

  • @fwg6134
    @fwg6134 5 ปีที่แล้ว +40

    이 문제 어디서 봤다 싶었더니 소인수분해 문제였다

  • @mariazurita5565
    @mariazurita5565 4 ปีที่แล้ว +3

    I got the answer a different way lol 😂 if the “Nth” meant every nineth locker than count how many nines lead to 100. Which totals to 10 being the answer?

  • @lgbty00ngi65
    @lgbty00ngi65 5 ปีที่แล้ว +14

    anyone else dumb af and didn't get how he got it ?

    • @usamamuhammad2356
      @usamamuhammad2356 5 ปีที่แล้ว +9

      Basically there are 100 students and whatever their number is, they will go to the multiple of their number to either open or close a locker. For example student 2 will open/close the lockers that are a multiple of 2. This goes on for all 100 students. Kyung noticed that locker 1 wouldn't change after student 1 passed through (that's because all students higher than 1 can't access 1 since it's not in their number multiplication). He'd done open close for the numbers up until around student 5 and noticed that all the square numbers will be open lockers e.g. 2 squared = 4, 3 squared = 9. Since 10 squared = 100 he knows there are only 10 lockers open after all the students pass through. Honestly we don't know how much time passed till they gave the answer because of video editing, but regardless, it is a good answer and he's very smart to figure it out.

    • @katana_yoo
      @katana_yoo 4 ปีที่แล้ว

      @@usamamuhammad2356 ohh now I understand.. thank you😊

  • @julss12
    @julss12 3 ปีที่แล้ว +3

    i watched this bcs Suho and Kyuhyun. but now i cant stop watching bcause of Kyung 💙💙

  • @user-14883
    @user-14883 5 ปีที่แล้ว +8

    박경은 거의 전문가 수준이네

  • @sharifahaddawiyah4863
    @sharifahaddawiyah4863 5 ปีที่แล้ว +13

    I dont even understand...
    😂

  • @damaristama7574
    @damaristama7574 4 ปีที่แล้ว +1

    The speaker sounds like Jennie from black pink back when her accent was thicker. She sound a little more American now, but before she got a British accent mix with NZ accent and she sound really similar to the speaker!

  • @흔한아가새
    @흔한아가새 5 ปีที่แล้ว +41

    이 문제 중 1 문제집에 있음 ...

    • @iloveusagi-1241
      @iloveusagi-1241 5 ปีที่แล้ว +2

      쎈에서 본것같아요

    • @흔한아가새
      @흔한아가새 5 ปีที่แล้ว

      아 님도 그거 아시는구나 ㅋㅋㅋㅋ

    • @iloveusagi-1241
      @iloveusagi-1241 5 ปีที่แล้ว

      @@흔한아가새 ㅋㅋㅋ

    • @vinxenfan._lyric
      @vinxenfan._lyric 5 ปีที่แล้ว +8

      쎈 c타입에 있음 ㅋㅋㅋㅋ
      나 풀었으니까 옥스퍼드가야지~~~~

    • @종연-r2g
      @종연-r2g 5 ปีที่แล้ว

      저도ㅋㅋㅋ

  • @강민서-q4j
    @강민서-q4j 5 ปีที่แล้ว +6

    이거 중1 시험에 나오는거 아닌가 내가 중1인데 아닌가

  • @hananizaini7055
    @hananizaini7055 5 ปีที่แล้ว +1

    I can’t understand how they solve it huhu ... not a genius person huhu 🤣🤣

  • @jiminheartue8557
    @jiminheartue8557 5 ปีที่แล้ว +3

    I still didn't get it omg i'm so dumb

  • @김미란-e3c
    @김미란-e3c 3 ปีที่แล้ว +1

    서울대교수도못따라오겠다 교수해라 박경아

  • @안녕하세요그르트-s4y
    @안녕하세요그르트-s4y 4 ปีที่แล้ว +1

    알고리즘 개웃기넼ㅋㅋㅋㅋㅌㅋ
    박경 터지니까 계속 나오네

  • @ichaaddhina7178
    @ichaaddhina7178 4 ปีที่แล้ว +1

    I just gave up after reading the question

  • @쥴라이-j8y
    @쥴라이-j8y 5 ปีที่แล้ว +5

    옥스포드 옛날 문제겠지?

  • @zhdkffk8210
    @zhdkffk8210 5 ปีที่แล้ว +2

    박경의롭다

  • @clal._.ldia.
    @clal._.ldia. 5 ปีที่แล้ว +6

    역시끙디💜

  • @smlulpingping4750
    @smlulpingping4750 6 หลายเดือนก่อน

    너무 재밌어요ㅠㅠ♡
    박경이랑 형들 너무 좋아해요 BAAAM!

  • @quizbrother
    @quizbrother 5 ปีที่แล้ว +4

    이야~~~~~대단해

  • @sarah-gd6mi
    @sarah-gd6mi 5 ปีที่แล้ว +4

    Please I need eng subs. Thank you

  • @hjm350
    @hjm350 5 ปีที่แล้ว

    1. 사물함을 마지막에 짝수명이 건들이면 닫힌 상태 / 홀수번 건들이면 열린 상태 > 우리가 원하는건 홀수번 건들인 사물함
    2. 각 번호의 약수만큼 건들인다
    3. 약수의 갯수가 홀수개인 1~100 사이의 자연수가 정답. 약수가 홀수개가 되려면 같은 수를 곱하는 제곱수 뿐.
    4. 그래서 답은 제곱수 1, 4, 9, 16, 25, 36, 49, 64, 81, 100 이렇게 10개

  • @hannah1778
    @hannah1778 3 ปีที่แล้ว

    me trying to grasp how you do the problem like 👁👄👁

  • @엔젤너구리
    @엔젤너구리 ปีที่แล้ว

    질문이 떨리자나 압축 똑바로 해서 안올리냐 아오 !!!!!!!!!!!

  • @lex6709
    @lex6709 5 ปีที่แล้ว

    초등학교 3학년인가 4학년인가 학원에서 이문제 나왔는데 똘똘한 친구들은 이 문제를 풀거나 선생님 설명을 한번에 이해했던 것 같다(그냥 추측이긴한데) 내가 소인수분해 모른다니까 의아해하더라ㅋㅋ(속으로 '음..그걸 모를수도있구나') 나도 좀 더 똑똑했으면 그 친구들과 같은 라인에 설 수 있었을까

  • @haerangq
    @haerangq 5 ปีที่แล้ว

    저거 중2-2 경우의 수에 나오는 풀이였던 걸로 기억하는데,,, TED ED에도 riddle강의로 나와서 엄청 돌려봤던 문제중 하나

  • @꺄르르-y9h
    @꺄르르-y9h 4 ปีที่แล้ว

    저거 초등학교 최상위 문제집에 있는건데..ㅋㅋㅋ 옥스퍼드가 시작이었군...

  • @1o_oo_o1
    @1o_oo_o1 4 ปีที่แล้ว

    ??? 저문제 내가 중학교 1학년 1학기때 나온건데... 문제집에..

  • @nafsbintimarhaban4068
    @nafsbintimarhaban4068 4 ปีที่แล้ว +1

    Kyungie

  • @SuperKimHyunJae
    @SuperKimHyunJae 5 ปีที่แล้ว

    1번학생부터온다는조건없음 100번학생부터오면어쩔꺼임?

  • @꽗뜵뼶콗쭀큯랁덺
    @꽗뜵뼶콗쭀큯랁덺 4 ปีที่แล้ว

    자고로 이런 문제는 A3에 깜지처럼 써줘야 제맛인데

  • @현지환-w3y
    @현지환-w3y 5 ปีที่แล้ว +4

    이번 문제는 중1수학에도 나오던데...

  • @김성은-y4n
    @김성은-y4n 4 ปีที่แล้ว +4

    배댓풀이 모르겠고 박경이 설명해주는게 본인이 알아낸 방법도 구체적으로 설명하면서 친절하게 설명잘해줘서 제일 이해하기 쉽다
    1가구 1박경쌤 필요합니다ㅠㅠㅜㅜ
    근데 그냥 제곱수면 너무 간단해서 황당하네.?.??

  • @JJangtayc1112
    @JJangtayc1112 ปีที่แล้ว

    하석진 귀여워 ㅋㅋㅋ

  • @루린-v6n
    @루린-v6n 4 ปีที่แล้ว

    이런 문제 중1때 문제에 나왔는뎁..

  • @andersonko2984
    @andersonko2984 4 ปีที่แล้ว

    그냥 소인수분해문제인것 같은데

  • @짝퉁사이다
    @짝퉁사이다 4 ปีที่แล้ว

    학자이크 부탁요

  • @emgaikurt
    @emgaikurt 5 ปีที่แล้ว +1

    * Kyung *

  • @8비트-x4w
    @8비트-x4w 4 ปีที่แล้ว

    영어가 나와서 머리가 어지러워 어우

  • @젊은동물원-r5m
    @젊은동물원-r5m 5 ปีที่แล้ว

    내가 중딩인데 이거 중딩문제집에 나온 문젠데 ㅋㅋㅋㅋ

  • @잉기모링-c3b
    @잉기모링-c3b 5 ปีที่แล้ว +2

    1:16 브베

    • @혜빈-k3u
      @혜빈-k3u 4 ปีที่แล้ว

      브베 ㅇㅈㄹ이네 ㅋㅋㅋㅋㅋㅋㅋㅋㅋ개욱기네

  • @banjangkim5242
    @banjangkim5242 5 ปีที่แล้ว

    딱 프로그래밍 문제인것처럼 보임 ㅋㅋ

  • @Ehdiajqhdhhddu
    @Ehdiajqhdhhddu 4 ปีที่แล้ว

    이거 초5때 풀어봄 ㅋㅋ

  • @지율-m6j
    @지율-m6j 5 ปีที่แล้ว

    이거 학교에서 해본적이 있어서 걍 풀음 ㅋㅋㅋ

  • @메가도스
    @메가도스 5 ปีที่แล้ว

    중1에 소인수분해에 나오는 문제다.

  • @kathycat3888
    @kathycat3888 5 ปีที่แล้ว

    English sub pls

  • @user-ns2lo3vm6m
    @user-ns2lo3vm6m 5 ปีที่แล้ว

    Eng sub pls

  • @방가현-k5n
    @방가현-k5n 5 ปีที่แล้ว +3

    노래도 잘하고 머리도 좋고 잘생기고 매너도 좋고 뭐야 이 사기캐 오빠 ㅠㅠ❤️

  • @2inchingcu
    @2inchingcu 5 ปีที่แล้ว

    그 누구의 체라고 하더라 보다가 그거생각나서 100이하의 소수갯수가아닐까 생각했는데

    • @2inchingcu
      @2inchingcu 5 ปีที่แล้ว

      1은 자기말고 건들애가없으니 1포함해서

    • @2inchingcu
      @2inchingcu 5 ปีที่แล้ว

      근데아니여써머쓱