3:46 Cambridge University interview question! The difficulty lies in handling it on the spot. 火星课堂 49 views - 36 minutes ago
6:56 A geometry problem posed by Comrade Jiang Zemin: Five points concentric on a circle? 火星课堂 172 views - 4 hours ago
9:25 A new discovery praised by Terence Tao: A high school student finds a new proof of the Pythagorea... 火星课堂 652 views - 8 hours ago
2:27 A new method for factorization: Lopez factorization vs. super-completion! 火星课堂 408 views - 3 days ago
6:02 What is curvature, and what is the radius of curvature? What is their relationship to a warp-prop... 火星课堂 624 views - 1 week ago
4:32 Bernoulli's ingenious solution to a century-old problem that has perplexed the mathematical world! 火星课堂 8.9K views - 1 week ago
3:24 How can you divide a cake equally among 5 children if you cut it into three slices? 火星课堂 789 views - 1 week ago
5:01 To test a primary school student's algorithmic talent, each door is numbered from 1 to 10. How ca... 火星课堂 472 views - 2 weeks ago
4:42 A middle school competition question: Using only a ruler, construct parallel lines through any po... 火星课堂 842 views - 2 weeks ago
4:02 The fourth question in the MIT Points Challenge finals: Back to basics! 火星课堂 547 views - 2 weeks ago
2:27 A new method for factorization: Loche decomposition and super composability. 火星课堂 1.2K views - 2 weeks ago
2:12 Jiangsu Junior High School Entrance Examination: Inversion and Comparison! 火星课堂 555 views - 2 weeks ago
3:25 How are ancient Greek letters pronounced, and what are their mathematical meanings? 火星课堂 586 views - 2 weeks ago
3:22 With an error rate exceeding 90%, what is the decimal part of a negative number? 火星课堂 701 views - 3 weeks ago
3:58 The second problem in the MIT Points Challenge finals, the key to scrambling both participants, w... 火星课堂 1.3K views - 3 weeks ago
4:27 The first question that stumped Indian students in the MIT Points Challenge finals! 火星课堂 1.7K views - 3 weeks ago
6:55 A primary school-level thinking question that stumped a doctoral student! 火星课堂 471 views - 3 weeks ago
7:25 The MIT Points Challenge Finals: Exciting Matches, Concise Commentary! 火星课堂 36K views - 3 weeks ago
2:01 If you have a 10% chance of winning and 10 chances to draw a prize, or a 1% chance of winning and... 火星课堂 850 views - 3 weeks ago
2:45 The entrance exam for the High School Affiliated to Renmin University of China is intimidating bu... 火星课堂 486 views - 3 weeks ago
6:26 The amazing logic of escaping a locked room using mathematical logic! 火星课堂 174 views - 3 weeks ago
8:52 A street game scam: Can three small circles cover one large circle? 火星课堂 838 views - 3 weeks ago
3:55 Why can 1 be divided evenly, while a circle can be divided into 3 equal parts? 火星课堂 821 views - 3 weeks ago
8:15 Which water tank should be emptied first? How to calculate precisely? 火星课堂 3.1K views - 3 weeks ago
11:40 A math problem hidden in a map: the clever use of the imaginary number i! 火星课堂 378 views - 3 weeks ago
3:37 Wei Dongyi's inspiration came from solving the equation with wide eyes! 火星课堂 609 views - 4 weeks ago
2:32 Gold prices rose for 30 days; how many days will it take for the price to fall completely? 火星课堂 282 views - 4 weeks ago
12:27 Wei Dong also posed a question: How should junior high school students solve it? 火星课堂 584 views - 4 weeks ago
5:03 Can 1, 2, and 3 form the largest number? (Elementary school vs. university) 火星课堂 819 views - 4 weeks ago
2:06 The Junior High School Mathematics League: A Terrifying Number of Items Separated! 火星课堂 820 views - 4 weeks ago