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jainaneil
2 năm trước
cho Bt A= (4*(x+1) / 25-x2) B=( 15-x/x2-25 + 2/x+5) / (x+1)/x-5 A tìm đkxđ A và B b, Tính gt của bt A tại x=1 c, Rút gọn Bt B d, Tính Q= A.B e, Tìm x để Qnguyên
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