Ответ:

1) \(|-1,8|+|2,6|=1,8+2,6=4,4\).

2) \(|6,43|-|-1,95|=6,43-1,95=4,48\).

3) \(\left|5\frac{1}{3}\right|\cdot|0,75|=\frac{16}{3}\cdot\frac{3}{4}=4\).

4) \(|0,56|:|0,14|=0,56:0,14=4\).

Жауап: 1) 4,4; 2) 4,48; 3) 4; 4) 4.