a) / x + 3 / = \(\frac{4}{5}\)
b) / x - \(\frac{5}{4}\)/= \(\frac{-1}{3}\)
c) / x + 5 / = \(\frac{1}{7}\)-/ \(\frac{4}{3}\)- \(\frac{1}{6}\)/
d) / x + \(\frac{2}{3}\)/ = \(\frac{1}{2}\)- ( \(\frac{1}{4}\)- \(\frac{2}{3}\))
Trả lời đúng 1 câu mình tick cho 1 cái