HEY TRY THIS SIMPLE MULTIPLICATION TRICK
This is very Siple
Multiply 1234 * 11
1. Add two zeros one at the begining of the no. and other at the end no. becomes
012340
2. Now start from end and apply this simple technique
0+1, 1+2, 2+3, 3+4, 4+0
1 3 5 7 4
3. The answer is 13574.
NOW
Multiply 1234 * 12
1. Add two zeros one at the begining of the no. and other at the end no. becomes
012340
2. Now start from end and apply this simple technique
(2*0)+1, (2*1)+2, (2*2)+3, (2*3)+4, (2*4)+0
1 4 8 0 8
Multiply 1234 * 13
1. Replace the 2 that is in red with 3 and u will get your result.
TRY THIS MULTIPLICATION WITH 14 to 19
Replace the 2 that is in red with 4 and u will get your result if multiplying by 14 and so on.
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