lila6580 lila6580
  • 19-09-2018
  • Mathematics
contestada

Can someone please help me with this

Can someone please help me with this class=

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Аноним Аноним
  • 22-09-2018

Just guess and check. For example, for the first on the left, I guessed 3 to begin with. 3 + 3 + 3 = 9, but 10 + 3 = 13, so 3 is not the answer. I then guessed 5. 5 + 5 + 5= 15, and 10 + 5= 15, so star = 5.

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