```php public function show(Exam $exam) { $topics = Topic::where('exam_id', $exam->id)->get(); return view('exam.show', compact('exam', 'topics')); } ``` ``` 3. 另外,記得在上方加入: ```php use App\Topic; ``` 4. 接著在 `/專案/resources/views/exam/show.blade.php` 樣板當中加入題目列表: ```markup
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