Place the digits from 1 to 7 so no digit is repeated within a horizontal row or any diagonal in any direction.
Zones of triangle groupings, marked by heavy borders, contain an expression that specifies the result when applying operators +, -, x, ÷ to the digits in the zone.
No digit is placed in the shaded triangle.
You can logically determine the solution without guessing.
©2017, George Heineman. All rights reserved.