Ответ:
- \(\left(2\frac{1}{2}+3\frac{1}{3}\right)\cdot6=\left(\frac{5}{2}+\frac{10}{3}\right)\cdot6=\frac{35}{6}\cdot6=35\).
- \(2\frac{1}{2}+3\frac{1}{3}\cdot6=\frac{5}{2}+10=12\frac{1}{2}\).
- \(2\frac{1}{2}\cdot6+3\frac{1}{3}=15+\frac{10}{3}=18\frac{1}{3}\).
- \(2\frac{1}{2}\cdot2+3\frac{1}{3}\cdot3=5+10=15\).
Ответ: а) 35; б) 12 1/2; в) 18 1/3; г) 15.
