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BỘ ĐỀ THI THỬ THPTQG NĂM 2018 - MÔN TOÁN - LÊ BÁ TRẦN PHƯƠNG (ĐỀ 1-9) - CÓ LỜI GIẢI CHI TIẾT

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Câu 26: Đáp án C<br />

BM<br />

a 3 a 3<br />

BG <br />

2 3<br />

o AG a 3<br />

tan 45 AG <br />

BG 3<br />

3<br />

1 a 3 1 a 3 a<br />

V . . . . a<br />

3 3 2 2 12<br />

Câu 27: Đáp án A<br />

14

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