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並前往https://blog.etcconnect.com/2017/12/think-know-color-grab-leds-gel-try-chocolatey-experiment/

Think you know color? Grab some LEDs or gel, and try this ...

Then turn off the lights…and get started. The experiment. In the darkened room, Turn on just the red light. Dump out the candies and try to sort ...

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