Open Middle®
Directions: Using the digits 1 to 9 exactly one time each, place a digit in each box to make the sum as close to 1000 as possible. Source: John Ulbright and Robert Kaplinsky
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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.