HOW TO MULTIPLY TWO AND THREE DIGITS TRICKS

                                                          Math Trick

How to multiple  two and three digits with short trick helpful in many competitive exams

 TWO DIGIT MULTIPLY TRICKS 

 Two   digit-    AB * CD

Ist step                       B *D

2^ND STEP                 A * D + B  * C

Last step                    A* C

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 For example   42*56

Ist step                        2 * 6 =12                         ₁2                

2^ND STEP                     4* 6 + 2  * 5= 34          ₃4

Last step                    4* 5=20                             ₁5

20₃4₁2

ADDING THESE TERM LIKE THIS

           31  ß base digits

+      2042

----------------------

        2352

                                                                          

                                                                          

 THREE DIGITS MULTIPLY TRICKS 

Three  digit-    ABC * DEF

Ist step                              C * F

2^ND STEP                        B * F + C  * E

3^ND STEP                      A  * F + B* E + c* D  

4^TH  STEP                    A*E+ B * D

 Last step                    A*D

 For example

             346 * 527

Ist step                      6 * 7 =    42                      ₄2

2^ND STEP                    4* 7 + 6  * 2=  40            ₄0

3^ND STEP                  3 * 7 +  4* 2 + 6* 5=59     ₅9

4^TH  STEP                   3* 2+ 4 * 5 =26               ₂6

 Last step                  3* 5 =15                          15

                          Combine these term like this                   

15  ₂6₅9 ₄0₄2     

 ADDING THESE TERMS LIKE THIS

          2544  ß base digits

+     156902

----------------------

       182342

                                   

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