【實用教育app】9 Dots brain challenge puzzle|最夯免費app

This little brain teaser puzzle requires you to think outside of the box.

The rules are simple:

There are nine dots arranged in a set of three rows. Your challenge is to draw four straight lines which go through all of the dots. Each line starts where the last line finishes. Can you solve this brain challenge?

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免費玩9 Dots brain challenge puzzle App

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