а) |-4|+|5| = 4 + 5 = 9;
б) -1,8 : |3/25| = -1,8 : (3/25) = -1.8 : 0.12 = -15
в) |-5,6|-|-1| = 5.6 - 1 = 4.6;
г) |2,25|--1,75) = 2.25 - 1.75 = 0.5;
д) |-24,5|+|0| = 24.5 + 0 = 24.5;
e) -3-0,54 = -3 - (8/15+1) = -(8/15 + 1) = -2.44;
ж) |8,2|--0,32| = 8.2 - 0.32 = 7.88;
з) |-7,42|:|-0,1| = 7.42 : 0.1 = 74.2;
и) |-6|-|-4,2|:|0,7| = 6 - 4.2 / 0.7 = 6 - 6 = 0;
к) |-1,25|-|-0,1|+|–0,125| = 1.25 - 0.1 + 0.125 = 1.275;
л) |- 5,4||-2|-0,25.10 = (5.4 * 2) - (0.25 * 10) = 10.8 - 2.5 = 8.3.