MathDB
Gunga P2

Source:

October 16, 2021
MOAA 2021Gunga

Problem Statement

Add one pair of brackets to the expression 1+2×3+4×5+61+2\times 3+4\times 5+6 so that the resulting expression has a valid mathematical value, e.g., 1+2×(3+4×5)+6=531+2\times (3 + 4\times 5)+6=53. What is the largest possible value that one can make?
Proposed by Nathan Xiong
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