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Nguyễn Vân Thủy
Giới thiệu về bản thân
Hello.Tớ tên là Nguyễn Vân Thuỷ.Tớ là người Việt Nam
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2022-04-23 14:37:25
Vườn nhà bác An có 2 loại cây nhãn và cam.Trung bình cộng của 2 loại cây là 30.Biết số cây cam lớn hơn số cây nhãn.Tính số cây mỗi loại