(7/13 − 2 3/4) · 26 =

Question

\(2\frac{3}{4}=\frac{11}{4}\).

\(\left(\frac{7}{13}-\frac{11}{4}\right)\cdot26=\left(\frac{28}{52}-\frac{143}{52}\right)\cdot26=-\frac{115}{52}\cdot26=-\frac{115}{2}=-57\frac{1}{2}\).

Ответ: \(-57\frac{1}{2}\).

Accepted Answer

\(2\frac{3}{4}=\frac{11}{4}\).

\(\left(\frac{7}{13}-\frac{11}{4}\right)\cdot26=\left(\frac{28}{52}-\frac{143}{52}\right)\cdot26=-\frac{115}{52}\cdot26=-\frac{115}{2}=-57\frac{1}{2}\).

Ответ: \(-57\frac{1}{2}\).