These number tricks always equal 9 (Math tricks explained)

@crazy_trends08 on Instagram: "This instagram post shares a 41-second video of schoolchildren in traditional attire attempting to connect nine dots arranged in a 3x3 grid on a blackboard using four straight lines without lifting the chalk, a renowned puzzle testing creative problem-solving. Garnering 5.9 million views and 407 replies, it sparks debate among users, with many posting ASCII or sketched solutions like extended lines forming a "Z" pattern, while others call it misleading for not stat

crazy & trending video on Instagram: "The video depicts a group in a Dubai jewelry store physically attempting a classic "nine dots" variant puzzle on the floor, where participants trace lines without lifting feet, but fail repeatedly due to the design's structure. Graph theory explains the impossibility: the figure forms a graph with four odd-degree vertices, violating Euler's condition for an Eulerian path, which requires zero or two odd-degree vertices. Posted on November 26, 2025, the clip g