Trang Ánh Nam has left a new comment on your post "CÁC HỆ THỨC LƯỢNG TRONG TAM GIÁC VÀ GIẢI TAM GIÁC":
Bài 36: Giải tam giác ABC biết:
a. b=4,5; góc A=30 độ, góc C=75 độ.
b. b=14; c=18; góc A=145 độ.
c. a=14; b=18; c=20
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Posted by Trang Ánh Nam to Học Để Thi at February 21, 2019 at 10:47 PM
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