Ответ:
- \(4\frac{1}{5}+0{,}2=4{,}2+0{,}2=4{,}4\).
- \(-3{,}2\cdot\frac{3}{4}=-2{,}4\).
- \(6\frac{4}{7}-2{,}1=\frac{46}{7}-\frac{21}{10}=\frac{313}{70}=4\frac{33}{70}\).
- \(-0{,}3\cdot\left(-\frac{2}{3}\right)=0{,}2\).
- \(\frac{6}{25}-0{,}06=0{,}24-0{,}06=0{,}18\).
- \(3{,}5:\frac{3}{5}=3{,}5\cdot\frac{5}{3}=\frac{35}{6}=5\frac{5}{6}\).
- \(-2{,}5-3{,}045=-5{,}545\).
Ответ: 4,4; −2,4; \(4\frac{33}{70}\); 0,2; 0,18; \(5\frac{5}{6}\); −5,545.
