6. Calculati:
a) (42:0.012 +3.5-0.24) - 1,7;
b)(0.1 -0.02 -73-15-13-2.1) - 100:
c) 3.5-2.4-1,2:0.4-5-0.01) - 10; d) 1,03 - (45:0.4 +3.5:02-0,7-0,1);
e) 0,1 - 3-3.2 - [100 -0.01 -5,2-(4-1.2-0,1)]:-​