If you are lucky/ finding/ special stamp, it/ will bring/ you some money besides knowledge/ pleasure.

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Viết 1 đoạn văn ngắn bằng những gợi ý trên

Cho biết nơi sống của trùng roi

2cm=?

Cho \(\dfrac{x}{3}\)=\(\dfrac{y}{4}\) và \(x\cdot y^2\)=384.Tìm x,y?