你能解開叛軍補給之謎嗎? – 亞歷克斯·詹德勒

在 https 練習更多解決問題的方法://輝煌的.org/TedEd/
Solution to Bonus Riddle: https://brilliant.org/tededmislabelledboxes/

You’re overseeing the delivery of supplies to a rebel base in the heart of enemy territory. To get past customs, all packages must follow this rule: if a box is marked with an even number on the bottom, it must be sealed with a red top. One of the four boxes was sealed incorrectly, but they lost track of which one. Can you figure out which box it is and save the day? Alex Gendler shows how.

Lesson by Alex Gendler, 由 Artrak Studio 執導.

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