Try this multiplication trick & impress everyone! 🧮😄
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00:00Math trick to solve the multiplication problem 321x4.
00:04First, draw vertically for number 3, 3 lines.
00:07For number 2, 2 lines.
00:09For number 1, 1 line.
00:11Now, for the multiplication of 4, draw 4 lines horizontally.
00:17Now count the points where the lines join together.
00:204
00:228
00:2612
00:28Combine them to get the final answer.
00:301284.