Question

4. Một cửa hàng trong ba ngày bán được 1 tấn đường. Ngày đầu bán được 300 kg. Ngày thứ hai bán được gấp 2 lần ngày đầu. Hỏi ngày thứ ba cửa hàng bán được bao nhiêu ki-lô-gam đường ?

Answer 1

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