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RE: Multiplication with 11 was not that easy - Learn this trick.
This could turn out handy at a party. They'll think I'm a genius. Sweet!
This could turn out handy at a party. They'll think I'm a genius. Sweet!
Hahaha. Spread the knowledge. You will be a genious after learning these tricks :)
Resteem to spread the knowledge
Edit and correct your final answer. Also I noticed you ditched the 1s in 14 and 15 and picked only 4 & 5 without explaining it in the procedure