how to get the nuber 52 only using the numbers 1,2,7,8

how to get 52 only using the numbers 1,2,7,8
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1 Answer

8×7-2×1-(8-7+2-1)=54-2=52.

-1×2+7×8+1-2+7-8=52.
by Top Rated User (1.1m points)

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