Showing posts with label addition. Show all posts
Showing posts with label addition. Show all posts
Tuesday, June 16, 2020
Tuesday, August 7, 2018
Problem 67: Digital Clock
— Stephanie Diehl (@MathDiehls) August 6, 2018
-How many times in a 12-hour period will the digits on a digital clock have a sum of 10?
-How many times will they add up to 13?
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