Một cửa hàng đồ sắt có 7 thùng đinh đựng 2 loại đinh : 5cm,10cm (mỗi thùng chỉ đựng một loại đinh).Số đinh trong mỗi thùng lần lượt là : 24kg;26kg;;30kg;37kg;41kg;55kg và 58kg.Sau khi bán hết 6 thùng và chỉ còn đinh 10cm ,người bán hàng thấy rằng :trong số đinh 10cm đã bán gấp 3 lần số cm đã bán.Hỏi cửa hàng có bao nhiêu ki-lô-gam đinh mỗi loại?
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