Cho (P = left( {frac{7}{{20}} + frac{{11}}{{15}} - frac{{15}}{{12}}} ight):left( {frac{{11}}{{20}} - frac{{26}}{{45}}} ight)) và&nb

Câu hỏi :

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