Question

tính gía trị biểu thức

 ( 2 + 5/6 ) : 1 1/5 + -7/12

Answer 1

= 17/6 : 6/5 - 7/12

= 85/36 - 7/12

= 16/9

Tk mk nha

Answer 2

\(\left(2+\frac{5}{6}\right):1\frac{1}{5}+\left(\frac{-7}{12}\right)\)

\(=\frac{17}{6}:\frac{6}{5}+\left(\frac{-7}{12}\right)\)

\(=\frac{85}{36}+\left(\frac{-7}{12}\right)\)

\(=\frac{16}{9}\)