Cho \(M = \left( {\frac{{21}}{{31}} + \frac{{ - 16...

Câu hỏi: Cho \(M = \left( {\frac{{21}}{{31}} + \frac{{ - 16}}{7}} \right) + \left( {\frac{{44}}{{53}} + \frac{{10}}{{31}}} \right) + \frac{9}{{53}},\,\,N = \frac{1}{2} + \frac{{ - 1}}{5} + \frac{{ - 5}}{7} + \frac{1}{6} + \frac{{ - 3}}{{35}} + \frac{1}{3} + \frac{1}{{41}}\)Chọn câu đúng 

A. \(M = \frac{2}{7},N = \frac{1}{{41}}\)

B. \(M = 0,N = \frac{1}{{41}}\)

C. \(M = \frac{{ - 16}}{7},N = \frac{{83}}{{41}}\)

D. \(M = \frac{{ - 2}}{7},N = \frac{1}{{41}}\)