( 2 phần 3 - 5 phần 11 + 1 phần 4 ) : ( 1 + 5ph12 - 7ph11 ) bằng bao nhiêu thế 

At 11:30 a.m. on April 30, 1975, the flag of the Liberation Army flew over the roof of the Independence Palace, marking the historic moment that successfully ended the resistance war against the US and saved the country. April 30, 1975 went down in the national history as a brilliant milestone, bringing our country into a new era, the era of national independence and socialism. Looking back at the nation's heroic history, our young generation always feels very proud of the great revolutionary cause of the country. From the bottom of our hearts, we are very grateful for the great merits of the generation who preceded them, who spent all their youth and their whole life in service to the revolutionary cause of national liberation. The April 30 victory is a brilliant milestone in the nation's history of nation building and defense, the victory of Vietnam's internal strength, the national cultural tradition, and the great merits of President Ho Chi Minh. Minh and the ingenious and wise leadership of the Party led the People to fight against the greatest enemy in the world. Possibly a picture of 4 people and an outdoor Celebrating 47 years of the Liberation of the South and reunification of the country, we are forever proud and grateful for the great sacrifices of heroes and young generations to liberate the country for independence. Thank you great President Ho Chi Minh

đang tiếng anh 1 hồi thành toán òi :)))

có tui nhưng tìm trong hoc.vn lại ko tháy