azarco7879
azarco7879 azarco7879
  • 02-03-2018
  • Mathematics
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Help. will mark BRAINILEST !

Help will mark BRAINILEST class=

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imsotireddude
imsotireddude imsotireddude
  • 02-03-2018
the answer is d because 21 + 13 is 34 and 34 + 21 is 55.
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