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Thuongthuong999999
2 năm trước
Cho 2 đơn thức 2xy^2z và -5xy^2z . Hãy tính tổng 2 đơn thức đã cho . Tìm phần hệ số , phần biến của đơn thức tổng thu được. Mn giúp mình vs <3
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