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	Các bình luận về: Cho lăng trụ đứng \(ABCD.A&#8217;B&#8217;C&#8217;D&#8217;\) có đáy là hình thoi cạnh \(a\), góc \(\widehat {BAD} = {60^0}\), góc giữa hai mặt phẳng \(\left( {ACD&#8217;} \right)\) và \(\left( {ABCD} \right)\) bằng \({45^0}\). Thể tích của khối lăng trụ đã cho bằng	</title>
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