|-3,1|·|-4,1|
|-0,6|·|[tex]3 \frac{1}{3}[/tex]|
|-0,45|:|-0,9|
|-12|:|-3|
|-5,4|+|1,8|:|0,4|
13,2·(5-|-2|)
[tex]7 \frac{1}{2}[/tex]:(|-7|+|-8|)
|-34|+|-10|