Question

0,19z-0,11z+0,33z-1,92, если z=8,2

Answer 1

0,19*8,2-0,11*8,2+0,33*8,2-1,92=1,442

Answer 2

$0.19z-0.11z+0.33z-1.92=(0.19-0.11+0.33)z-1.92=0.41z-1.92$
$0.41*8.2-1.92=3.362-1.92=4.442$