liljay123 liljay123
  • 12-01-2017
  • Mathematics
contestada

27-(63-8)and(72-63)-8 is it equivalent or not and why

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katiem320
katiem320 katiem320
  • 12-01-2017
They are not equivalent because 27-(63-8) is equal to -28 and (72-63)-8 is equal to 1.
Answer Link
LittlestRedTeal
LittlestRedTeal LittlestRedTeal
  • 12-01-2017
For the first one is
27-(63-8)
27-55
28

The second one is (72-63)-8
9-8
1


They are not equivalent.
Answer Link

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