Ответ:
- \(5\frac{1}{25}\cdot7,125+5,04=\frac{126}{25}\cdot\frac{57}{8}+\frac{126}{25}=\frac{819}{20}\).
- \(\frac{819}{20}:9,1\cdot\frac{8}{27}=\frac{819}{20}:\frac{91}{10}\cdot\frac{8}{27}=\frac43\).
- \(2-1\frac23:1,5=2-\frac53:\frac32=2-\frac{10}{9}=\frac89\).
- \(0,2+\frac43:\frac89\cdot\frac{8}{15}=\frac15+\frac32\cdot\frac{8}{15}=\frac15+\frac45=1\).
Ответ: 1.
