The recent PSLE test in Singapore left some students in tears. This video illustrates how to solve one of the more challenging problems from the exam. Thanks to all patrons! Special thanks this month to: Michael Anvari, Richard Ohnemus, Shrihari Puranik, Kyle, and The Laba Family.

Sources
https://www.straitstimes.com/s....ingapore/education/s
http://studyroom.sg/one-of-the....-more-challenging-qu
https://www.facebook.com/study....roomsg/photos/a.2176

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