Giải pt: $\sqrt{1-x^{2}}=(\frac{2}{3}-\sqrt{x})^{2}$
Giải pt: $\sqrt{1-x^{2}}=(\frac{2}{3}-\sqrt{x})^{2}$
Started By luuvanthai, 06-10-2018 - 21:32
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Posted 06-10-2018 - 21:32
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