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0 votes
285 + 617 = ⎕ + 620 wich number goes in the blank

2 Answers

3 votes
282 would fill the blank.  Just think the problem as if it was an algebra problem. 
User Dan Grossman
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7.4k points
4 votes
285 + 617 = 902

902 - 620 = 282

Answer: 282
User Alan Grosz
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7.5k points