Cho \(P = \left( {\frac{7}{{20}} + \frac{{11}}{{15}} – \frac{{15}}{{12}}} \right):\left( {\frac{{11}}{{20}} – \frac{{26}}{{45}}} \right)\) và \(Q = \frac{{5 – \frac{5}{3} + \frac{5}{9} – \frac{5}{{27}}}}{{8 – \frac{8}{3} + \frac{8}{9} – \frac{8}{{27}}}}:\frac{{15 – \frac{{15}}{{11}} + \frac{{15}}{{121}}}}{{16 – \frac{{16}}{{11}} + \frac{{16}}{{121}}}}\) . Chọn kết luận đúng:
Câu hỏi: Cho \(P = \left( {\frac{7}{{20}} + \frac{{11}}{{15}} - \frac{{15}}{{12}}} \right):\left( {\frac{{11}}{{20}} - \frac{{26}}{{45}}} \right)\) và \(Q = \frac{{5…