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Mathematics, 02.08.2021 01:00 cheesy2271
1 tấm vải sau khi giặt bị có lại 2% chiều dài ban đầu. Giặt xong vải chỉ còn 29,4 m. Trước khi giặt tấm vải thì dài dài bao nhiêu
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1 tấm vải sau khi giặt bị có lại 2% chiều dài ban đầu. Giặt xong vải chỉ còn 29,4 m. Trước khi giặt...
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