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Mathematics, 24.08.2021 17:40 rozlynnv22

Có 1 cái cân đĩa với 2 quả cân loại 7gr và 2gr. Với 3 lần cân, làm thế nào để sử dụng các dụng cụ trên chia 140gr muối thành 2 phần nặng 50gr và 90gr?

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Có 1 cái cân đĩa với 2 quả cân loại 7gr và 2gr. Với 3 lần cân, làm thế nào để sử dụng các dụng cụ tr...
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