Open Middle®
Directions: Use only the digits 1 to 7, at most one time each, fill in the boxes to create a true equation. Source: Eric Appleton
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Open Middle® problems are licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.
Open Middle® problems are licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.