fallenangle666
fallenangle666 fallenangle666
  • 12-12-2015
  • Mathematics
contestada

Which sets of numbers are closed under addition?

Choose all answers that are correct.

A.
whole numbers

B.
natural numbers

C.
negative integers

D.
integers

Respuesta :

konrad509
konrad509 konrad509
  • 12-12-2015
C and D
.............................
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