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正确
@(2) = 5;
@(2) = 7;
@(4) @(2) + @(2);
$x = 5;
$y = 7;
echo $x + $y;
$y = 5;
$x = 7;
echo $x + $y;
$x = 5;
$y = 7;
echo $y + $x;
$y = 5;
$x = 7;
echo $y + $x;
不正确
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下一题 ❯w3exercise_input_no_0= 5;w3exercise_input_no_1= 7;w3exercise_input_no_2w3exercise_input_no_3+w3exercise_input_no_4; |