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nhuphuong0604
2 năm trước
Miếng đát hình chữ nhật có chu vi 480m. Chiều dài nhiều hơn chiều rộng 20m. Tính: a) Diện tích miếng đất? b) Người ta chia miếng đất làm 10 luống trồng rau có diện tích bằng nhau. Tính diện tích mỗi luống? Có tóm tắt ạ!
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