\(\frac{5}{{2x + 1}} - \frac{{2x}}{{1 - 2x}} = 1 -...

Câu hỏi: 52x+12x12x=12.(32x)4x2152x+12x12x=12.(32x)4x21

A  S={14}.S={14}.

B S={4}.S={4}.

C S={4}.S={4}.

D S={14}.S={14}.