grouping symbols
asked Sep 20, 2012 in order of operations by anonymous

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1 Answer

Lowest positive value achievable is 62=4×3+6-5+7×(9-2).

Highest negative value achievable is -48=4×(3+6)-(5+7)×(9-2).

Closest digital value is 65=4×(3+6-5)+7×(9-2), (that is, 65 instead of 45).

Also -4×(3+6-5)+7×9-2=45.

answered Aug 5 by Rod Top Rated User (582,840 points)

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