Thực hiện phép tính sau: a) \(\frac{1}{4} + \frac{...

Câu hỏi: Thực hiện phép tính sau: a) \(\frac{1}{4} + \frac{{ - 3}}{5}\)                                         b) \(\frac{{11}}{{37}} - \frac{5}{{41}} + \frac{{26}}{{37}} + 0,75 - \frac{{36}}{{41}}\)

A \(a)\frac{{ - 7}}{{20}}\,\,;\,\,\,b)\,0,55\)

B \(a)\frac{{ - 7}}{{30}}\,\,;\,\,\,b)\,0,75\)

C \(a)\frac{{ - 7}}{{20}}\,\,;\,\,\,b)\,0,75\)

D \(a)\frac{{ - 5}}{{19}}\,\,;\,\,\,b)\,0,75\)