Question

номер 318 и 320 ~○~

Answer 1

1) 3 и 4, 2) 2 и 1, 3) 3 и 2, 4) 0 и 1

-(-27)= 27 -(-1.9)=1.9 -(...)= - ...
-(-0.16)=0.16. -(-m)=m.
-(n)=-n