Equations of Circles: 4 Open Middle Versions

Tim Brzezinski, Jun 7, 2021

Four Variants of Robert Kaplinsky's Open Middle Equation-of-a-Circle Problem


  • 1. Equations of Circles (V1): Open Middle Problem
  • 2. Equations of Circles (V2): Open Middle Problem
  • 3. Equations of Circles (V3): Open Middle Problem
  • 4. Equations of Circles (V4): Open Middle Problem

1.

Equations of Circles (V1): Open Middle Problem

Your task:
[size=150]Source: [url=https://twitter.com/robertkaplinsky]Robert Kaplinsky[/url][/size]
In the app below, the green check mark indicates no values repeat.
In the app below, the red "X" indicates you have a repeated digit.
Use the drop down lists to change the values of the digits. Once you complete a successful setup, you'll know.
Create another valid setup that is different from the one you created above.
– Tim Brzezinski

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