cambamm12
21.06.2021 •
Mathematics
Cho ∆ABC;phân giác AD,BE,CF cắt nhau tại I . a, Góc IAC+góc IBC+ góc ICA=? b, Kẻ IH vuông góc với BC . C/m Góc BIH=góc CID
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Ответ:
Ответ:
All of them are division signs. except for 1, (x - 12) <division sign> plus z