chua biet la lop may ma da goi la em a
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mot nguoi mua 1 so cam voi gia 20000 dong mot kg.Khi van chuyen bi hong mat 5 kg.So cam con lai ban nhu sau :1/2 ban voi gia 300000 dong 1 kg, 1/3 ban voi gia 25000 dong 1 kg,so con lai duoc ban voi gia 15000 dong 1 kg.thing so cam nguoi do da mua biet tien lai la 600000 dong.
bai1: Moi hop dong duoc 6 chiec coc. Hoi co 200 chiec coc co the dong duoc nhieu nhat bao nhieu hop va con thua may chiec coc?
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