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Mathematics, 22.07.2021 09:10 zahraa244

Hai máy giặt cùng giặt một lượng quần áo trong 16 giờ thì hoàn thành. Nếu máy một giặt trong 3 giờ và máy hai giặt trong 6 giờ, thì chúng giặt được 25% lượng quần áo
đó. Hỏi mỗi máy giặt riêng lượng quần áo đó thì mất thời gian bao lâu?

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Hai máy giặt cùng giặt một lượng quần áo trong 16 giờ thì hoàn thành. Nếu máy một giặt trong 3 giờ...

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