Toán Lớp 9: Mn giải giúp pt này vs. Gấp ạ.
√x – √x + 1 – √x + 4 + √x + 9 = 0
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Toán Lớp 9: Mn giải giúp pt này vs. Gấp ạ.
√x – √x + 1 – √x + 4 + √x + 9 = 0
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