Why not 1, 2, 3, 4, 5, 6, 7 on the left-hand side?
Using operations, try to make the following equation true:
Is it possible?
Details
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You are only allowed addition, subtraction, multiplication, division and parentheses.
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No combining of the digits is allowed. For example, you can't merge 1 and 2 to get 12.
P/S. See if you are sharp enough to understand the significance of this title.
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1 solution
( 1 + 2 ∗ 3 ) ∗ 4 = ( 1 + 6 ) ∗ 4 = 7 ∗ 4 = 2 8