b4ubbiecieal
b4ubbiecieal b4ubbiecieal
  • 02-12-2015
  • Mathematics
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Write four equivalent expressions for each given expression 50-10

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evanthegiraffe
evanthegiraffe evanthegiraffe
  • 02-12-2015
30+10
70-30
20×2
80÷2
The answers to all of these are 40, making it equivalent to 50-10.
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