Solve iq math riddles #9 | What number would you put in the question mark | Vu Giang Channel

- Challenge iq math with different levels of math puzzles and stretch your intelligence limit. You can discover your math talent with these iq math puzzles. - This video is designed in such a way that for each puzzle, there will be a period of time for you to find out the answer by yourself, then there will be the answer in the red rectangle for you to check the results. - Join as a member of this channel to enjoy the privileges: https://www.youtube.com/channel/UCTswjHwsgJqrRI0badf9blw/join 0:25 - Answers to question 81 1:19 - Answers to question 82 2:15 - Answers to question 83 3:18 - Answers to question 84 4:19 - Answers to question 85 5:33 - Answers to question 86 6:35 - Answers to question 87 7:38 - Answers to question 88 8:38 - Answers to question 89 9:28 - Answers to question 90 ℗ Video copyright by Mr. Vu Giang #vugianghd #riddles #math