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(+1)+(-1)=|| (2)+(-2) = 0 20+1) + (-2) = _ (+3) + 3(-1)= 37+2) + 2-3] =
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4 votes
(+1)+(-1)=||
(2)+(-2) = 0
20+1) + (-2) = _
(+3) + 3(-1)=
37+2) + 2-3] =

User Hrdwdmrbl
by
6.9k points

1 Answer

3 votes
  • 1+(-1)=0
  • 2+(-2)=0
  • 20+1+(-2)=19
  • 3+3(-1)=0
  • 37+2+2-3=38
User Steven Licht
by
7.4k points
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