c:\@Work\Perl\monks>perl -wMstrict -le
"use List::MoreUtils qw(pairwise);
 use vars qw($a $b);
 ;;
 my @ra = (30, 40, 50);
 my @rb = ( 3,  4,  5);
 ;;
 my @rc = pairwise { $a + $b } @ra, @rb;
 print qq{@rc};
"
33 44 55