"Two" makes a Team!
Exactly one pair of brackets is to be inserted into the expression . The left bracket must come just before a 2 and the right bracket just after a 2. Determine the largest possible value of the resulting expression.
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1 solution
The best way to proceed is inspection. There is no sense to put any 2x2 between brackets. A better option is to have something like ...2(...) .... A positive answer is expected which leads to 2×2−2×(2−2×2−2×2−2)×2 = 36.