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Multiplication of 11 with any number of 3 digits. (You cant use this rule for other numbers) Let me explain this rule by taking examples 1. 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 2. 213*11 = 2---(2+1)---(1+3)---3 = 2343


Multiplication of 11 with any number of 3 digits. (You cant use this rule for other numbers)  Let me explain this rule by taking examples


1. 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


2. 213*11 = 2---(2+1)---(1+3)---3 = 2343 


Grade:Upto college level

1 Answers

Sourabh Singh IIT Patna
askIITians Faculty 2104 Points
9 years ago
Hii

thank you for the information but we expect questions. Keep posting questions and we will answer your questions.



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