Mathematics, 23.07.2021 01:00 andybiersack154

Cho tam giác abc vuông tại a có ab=9cm ac=12cm a) tính bc b) tian phân giác của gọc b cắt ac tại d kẻ DM vuông góc BC tại M

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Cho tam giác abc vuông tại a có ab=9cm ac=12cm a) tính bc b) tian phân giác của gọc b cắt ac tại d k...

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