Viet chuong trinh xet hoc luc cua em biet rang:diem trung binh lon hoac bang 8.0thi xep loai gioi,con lai xep loai kha.Voi diem trung binh cua 3 mon Toan,Van,Tin duoc nhap tu ban phim.
a) Tinh diem trung binh cua 3 mon do.
b )Xet hoc luc cua em
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