(5/2 + 1/8):(1-7/16

Đáp án+Giải thích các bước giải:

`(`$\dfrac{5}{2}$ `+` $\dfrac{1}{8}$`) : (1 -` $\dfrac{7}{16}$`)`

`= (`$\dfrac{40}{16}$ `+` $\dfrac{2}{16}$`) : (`$\dfrac{16}{16}$ `-` $\dfrac{7}{16}$`)`

`=` $\dfrac{21}{8}$ `:` $\dfrac{9}{16}$

`=` $\dfrac{21}{8}$ `.` $\dfrac{16}{9}$

`=` $\dfrac{336}{72}$ `=` $\dfrac{14}{3}$

$#crussy$