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nguyenthiman.toan
2 năm trước
cho biểu thức p=(1+1/√x -1).1/x-√x A) tìm đkxđ và rút gọn p B) tính giá trị của p khi p = 25 C) tìm x để p.√5+2√6(x-1)2=x-2005+√2+√3
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