santazid
santazid santazid
  • 04-08-2021
  • Mathematics
contestada

In a colony, there are 55 members. Every member posts a greeting card to all the
members. How many greeting cards were posted by them?
​

Respuesta :

ridmitharuka
ridmitharuka ridmitharuka
  • 04-08-2021

Answer:

55*54

=2970

Step-by-step explanation:

Answer Link

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