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NHIPI2210
2 năm trước
Ta có MN // BC Chọn đáp án đúng A : `(AM)/(AB)` = `(AC)/(AN)` B : `(AM)/(MB)` = `(AN)/(NC)` C : `(AM)/(MB)` = `(MN)/(BC)` D : `(AC)/(AN)` = `(MN)/(bc)`
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