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buithiendoan07062004
2 năm trước
Một bể bơi hình hộp chữ nhật có số đo chiều dài 22,5 m và số đo chiều rộng là 16,8 m nếu bể chứa 567000 lít nước thì mực nước lặng yên lên tới 3/5 chiều cao của bể để .tính : a, chiều cao của bể bơi đó là (1dm³=1 lít ) b, người ta Lát gạch men xung quanh và đáy bể để. tính diện tích Lát gạch men.
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