Perlacoronado3
Perlacoronado3 Perlacoronado3
  • 19-11-2014
  • Mathematics
Answered

What are four equivalent expressions for 42+18



Answer :

ecirue2902 ecirue2902
  • 19-11-2014
21+21+9+9=
2(9+21)=
Hope this helps
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