( -75 ) . ( - 2015 ) . ( - 2016 ) . (- 3 + 3 )
=( -75 ) . ( - 2015 ) . ( - 2016 ) .0
=0 ( vì có thừa số 0)
( -75 ) . ( - 2015 ) . ( -2016 ) . ( -3 + 3 )
= ( -75 ) . ( -2015 ) . ( -2016 ) . 0
= 0
( -75 ) . ( - 2015 ) . ( - 2016 ) . (- 3 + 3 )
=(-75).(-2015).(-2016).0
=0