Помогите пж (-5,48)-(-1,52)+7,42-8,01-7,42-(-5,48)

-5,48+1,52+7,42-8,01-7,42+5,48= -6,49-5,48+1,52= -3,96-3,96+7,42=3,463,46-8,01= -4,55-4,55-7,42= -11,97-11,97+5,48= -6,49

-5,48+1,52+7,42-8,01-7,42+5,48= 1,52-8,01=-6,49-5,48+5,48=07,42-7,42=0