Finding Multiply two digit number by 11 / solve in 2 second

For solving this type of problem there is some tricks
Step 1:- Add both digit of the two digit number
Step 2:- place the result in between both digit
This step is required for solving multiplication of two digit number by 11, let's give some example
Ex. 56 × 11 =---
First step is add both digit of two digit number means 5+6=11. Then answer is 11 fined this digit (11) place in between 5 and 6
Means. 5_11_6
Like that but this is not answer. Now if adding is two digit find then one digit of left side of one digit add in first digit of left hand side (5+1)=6 then answer is 616
I have s




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