Номер 318 и 320 ~○~

Question

Номер 318 и 320 ~○~

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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