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<title>Bài tập trắc nghiệm</title>
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<div class="jumbotron bg-lite" style="background-color: white">
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<h1>Phần 1</h1>
<iframe src="https://drive.google.com/file/d/116ov9Se1NW5W72ieavoaIQDF1m2qHJ3L/preview" width="100%" height="850">
Đang tải…
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<div class="col-md-5">
<h1 class="text-center">Trả lời</h1>
<iframe src="https://docs.google.com/forms/d/e/1FAIpQLSe-EYdoIZmbjMcTMfkV1g_B_PnxGBhbGcEMwlB5OpohcVAW_w/viewform" width="100%" height="850">
Đang tải…
</iframe>
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<h1>Phần 2</h1>
<div style="width: 100%;height: 850px">
<iframe height="100" width="80%" src="https://drive.google.com/file/d/1L9Ysm2S2a-ExkySzSAr0beVrei1z4287/preview"></iframe>
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