Evaluate :

`a times b times c times c times b times a`

Evaluate : c times c times c times c times c

Evaluate : a times a times a times b times b times c times c times c times c

Evaluate : a times b times a times b times c times c times c

Evaluate : a times a times a times c times c times c times c times d

Evaluate : 13 times 13 times 13 times a times a times a times a times a times b times b times b times b

Evaluate : a times b times c times ( -d ) times (-e ) times (-f )

Evaluate : [ ( a times b ) times ( b times c ) ( b times c ) times ( c times a ) ( c times a ) times ( a times b ) ]

Evaluate : a^2 times a^4 times b^5 times c^2 times b^2 times c^5

Evaluate : ( b times c ) times ( c times a ) =

Evaluate : ( b times c ) times ( c times a )