Solver COMPUTE a square root of a number
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==section input Compute a square root of *[input a=9]. ==section solution perl if( $a < 0 ) { print "<FONT COLOR=RED>You made a mistake in wanting to compute {{{ sqrt( $a ) }}}. Square root is only defined for positive values inside the root symbol."; return; } $r = sqrt( $a ); print " {{{$r = sqrt( $a )}}} "; ==section output r ==section check a=9 r=3 ==section practice perl my $x = randint( 2,9 ); $a = $x*$x;
