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To get a rough estimate of Celsius from Fahrenheit quickly, you can use the following simplified formula:

C ≈ (F - 30) / 2

This trick involves subtracting 30 from the Fahrenheit temperature and then dividing the result by 2. It won't be as accurate as the precise formula mentioned earlier, but it will give you a close estimate of the Celsius temperature.

For example, let's use the same temperature as before, 68 degrees Fahrenheit:

C ≈ (68 - 30) / 2
C ≈ 38 / 2
C ≈ 19

So, using this quick trick, 68 degrees Fahrenheit is approximately equal to 19 degrees Celsius. Remember that this is just an approximation and may not be as accurate as the full formula.

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