Seudónimo Seudónimo
  • 19-08-2016
  • Mathematics
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Explain how to use the combine values strategy to find 223-119

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alliecat17
alliecat17 alliecat17
  • 21-08-2016
223
-119
104
In stead of doing 3-9 and 2-1 do 23-19 then 2-1
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