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== MultiAnswer Checkers ==
== MultiAnswer Checkers ==
To use a MultiAnswer object in PGML, create it outside the PGML block, and use the MultiAnswer variable for more than one answer blank.
$mp = MultiAnswer(12,6)->with(
singleResult => 1,
separator => " and ",
tex_separator => "\text{ and }",
checker => sub {
my $correct= shift; my $student = shift;
my ($ca,$cb) = @$correct;
my ($sa,$sb) = @$student;
my $ok = ($ca == $sa && $cb == $sb) ||
($ca == $sb && $cb == $sa);
return ($ok ? (1,1) : (0,0));
[_______]{$mp} and [_______]{$mp}
See the [[http://webwork.maa.org/pod/pg_TRUNK/macros/parserMultiAnswer.pl.html documentation for parserMultiAnswer.pl]] for more details about using MultiAnswer objects.
== Custom Checkers ==
== Custom Checkers ==

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