Question

найдите значение в)4 5/14+(5 1/12-3 4/21)​

Answer 1

$\displaystyle 4\frac{5}{14}+(5\frac{1}{12}-3\frac{4}{21})=\frac{61}{14}+(\frac{61}{12}-\frac{67}{21})=\frac{61}{14}+\frac{53}{28}=\frac{25}{4}=6\frac{1}{4}=6,25$