Một hình lập phương và một hình hộp chư nhật có thể tích bằng nhau và cạnh hình lập phương bằng chiều cao hình hộp chữ nhật. Biết đáy của hình hộp chữ nhật có chiều dài 16 cm và chiều rông 4 cm. Tính thể tích hình lập phương và diện tích xung quanh hình hộp chư nhật.

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