Question

87+(345+67)=(67+87)+345____



please give answer correct please please please please please please please ​

Answer 1

Answer:

499=499 =>1:1

Step-by-step explanation:

87+(345+67)= (67+87)+345

87+(412)=(154) +345

499 = 499

1=1

Or 1:1

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Answer 2

Answer:

Step-by-step explanation:

87+(345+67)= (67+87)+345 _

87+(412)=(154) +345 _

499 = 499_

_=1

so the value of _=1