. On National Day, 39 soldiers lined up in a straight row on opposite sides of Stadium Street to welcome Prime Minister Lee. A soldier stands on each

By Abigail

. On National Day, 39 soldiers lined up in a straight row on opposite sides of Stadium
Street to welcome Prime Minister Lee. A soldier stands on each end of Stadium
Street. The distance between two adjacent soldiers on either side was 20 m. The
soldiers on one side were arranged such that each soldier filled the gap between
two other soldiers on the opposite side. How long was Stadium Street?




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Chương trình giúp "CON GIỎI NGHE - NÓI - ĐỌC - VIẾT" thành thạo tiếng anh trước tuổi lên 10 và nhiều phần quà hấp dẫn. Tìm hiểu thêm