Trick: Multiplication of 11 with three digits

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This is not a very tricky trick but I'm sure you can learn it very easily-
Multiplication of 11 with three digits
Let me explain this rule by taking examples
E.g.- 352*11 = 3---(3+5)---(5+2)---2 = 3872
Means insert the sum of first and second digits, then sum of second and third digits between the two terminal digits of the number
E.g.- 213*11 = 2---(2+1)---(1+3)---3 = 2343

Good luck.....

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