Nguyễn Phú Hưng
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2026-05-10 21:29:02
a) Ta có DM=DG GM=2 GDDM=DG⇒GM=2GD.
Ta lại có G là giao điểm của BDBD và CE GCE⇒G là trọng tâm của tam giác ABC
BG=2 GD⇒BG=2GD.
2026-05-09 20:51:39
1 Motorbike taxis, called 'xe om' are popular for trips
2 People can watch films on streaming services like Netflix
3 Waterfalls and rivers are natural sources of hydropower
2026-05-09 20:51:36
1 Motorbike taxis, called 'xe om' are popular for trips
2 People can watch films on streaming services like Netflix
3 Waterfalls and rivers are natural sources of hydropower
2026-05-09 20:51:33
1 Motorbike taxis, called 'xe om' are popular for trips
2 People can watch films on streaming services like Netflix
3 Waterfalls and rivers are natural sources of hydropower