Question

4.51.7+2.86.7+12.2.7=?

Answer 1

4.51.7+2.86.7+12.2.7

 = 2.7.2.51+ 2.2.7.43+ 2.2.7.6 

=2.2.7 .( 51+43+6) 

= 28 . 100 

= 2800

Answer 2

\(4.51.7+2.86.7+12.2.7=\left(4.51.7\right)+\left(2.86.7\right)+\left(12.2.7\right)=1428+1204+168=2632+168=2800\)

Answer 3

    4.51.7 + 2.86.7 + 12.2.7

= 2.2.51.7 + 2.7.86 + 2.7.12

= 2.7.102 + 2.7.86 + 2.7.12

= 2.7 ( 102 + 86 + 12)

= 14 . 200

= 2800