Question

помогите. номер 453( а,б), 454(б).

Answer 1

$453. a) -7+35=28 \\ b) 1/2+1/3=3/6+2/6=5/6 454. \\ b) MN=10.6-2.4=8.2 =\ \textgreater \ K= 8.2/2=4.1$