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If no one can answer to my this question i will delete this app and i am also tell to my friends to delete this app give answer fasttttttttttt its too urgent ​

Answer»

Step-by-step explanation:

  • it's not COMMUNICATIVE property
  • it's commutative property i think
  • rule a+b=b+a
  • -145+623=623+(-145)
  • 145=145
  • thus above numbers OBEY commutative property


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