Question

Thực hiện phép tính 

5/6. -2/3+1/4

1 11/12-5/12.(4/5 -1/10):-5/12

 

Answer 1

\(\frac{5}{6}\cdot\left(-\frac{2}{3}\right)+\frac{1}{4}\)

\(=-\frac{5}{9}+\frac{1}{4}\)

\(=-\frac{11}{36}\)

\(1\frac{11}{12}-\frac{5}{12}\left(\frac{4}{5}-\frac{1}{10}\right):\left(-\frac{5}{12}\right)\)

\(=\frac{23}{12}-\frac{5}{12}\cdot\frac{7}{10}:\left(-\frac{5}{12}\right)\)

\(=\frac{23}{12}-\frac{7}{24}:\left(-\frac{5}{12}\right)\)

\(=\frac{23}{12}-\)\(\left(-\frac{7}{10}\right)\)

\(=\frac{157}{60}\)