Bài 1.Tính diện tích xung quang, diện tích toàn phần, thể tích của hình hộp chữ nhật có: a) Chiều dài = 0,25m ; Chiều rộng = 18cm ; chiều cao = 12cm b) Chiều dài = 4,5m ; Chiều rộng = 24dm ; chiều cao 3,6m Bài 2. Một bể chứa nước hình hộp chữ nhật. Đo lử trong lòng bể chiều dài 3m, chiều rộng 2,4m, chiều cao 1,8m. Hỏi khi bể chứa đầy nước thì được bài nhiêu lít biết 1lít = 1dm3 Giải giúp mik nha các bạn 😘

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