submitted by Sang on 04.17.2007 in Videos/How To
By the time you reach high school, you should be able to multiply numbers.
If not, and your parents refuse to buy you a calculator, this girl will demonstrate this simple trick that you can use to multiply any number by 11.
NOTE: It might not be a good idea to show this trick to your math teacher, mom, or dad. Just take a look at the screenshot.
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