how do you do 9*7

Question

    5*3

 

5(1+2)

 

5+10=15

 

Answer 1

There are several ways:

 

9(7) = 9(1+6) = 9(2+5) = 9(3+4) = 9(4+3) = 9(5+2) = 9(6+1)

 

Example:

 

9(2+5) = 9(2)+9(5) = 18+45 = 63