[tex]\it a)\ |-2|^2\cdot|-5|^2\cdot|-7|-|-4|^{|-3|}\cdot|27-22|^2=4\cdot25\cdot7-64\cdot25=\\ \\ =700-1600=-900\\ \\ c)\ |-5|\cdot|-4|\cdot|-15|-|-2|^{|-5|\cdot0}-|-|-3|^3\cdot|-2|^3|-|-3|=\\ \\ =5\cdot4\cdot15-1-|-27\cdot8|-3=300-1-216-3=300-220=80[/tex]
