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Toán Lớp 9: g) 6/5 √25x – √25x +5 =1/5 √25x h) √4x-20 -2√x-5 + √9x-45 =6 i) √25x^2+20x+4 = 15

Home/ Toán Lớp 9: g) 6/5 √25x – √25x +5 =1/5 √25x h) √4x-20 -2√x-5 + √9x-45 =6 i) √25x^2+20x+4 = 15

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