Toán thực tế (026)

Bác Bảy có một
miếng đất hình chữ nhật kích thước 30 m và 50 m. Bác dự định làm một con đường
hình bình hành băng ngang qua có kích thước như trong hình. Em hãy giúp bác Bảy
tính diện tích con đường.

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