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ghhhhe ko

alo

ko biết

Bài 1:tìm X,biết:                                                                                                      a)(4x+1)² =\(\dfrac{4}{9}\)                                                b)(3x-1)²=25                                              c)(x-\(\dfrac{1}{3}\))² =\(\dfrac{1}{4}\)                                          d)(4x-3)²₌₁₆