##### The first hint to crack the puzzle "Mathematical rules expressed in symbols" is:

**It is a word which contains 8 letters**

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##### The second hint to crack the puzzle "Mathematical rules expressed in symbols" is:

**It starts with letter f**

f

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##### The third hint to crack the puzzle "Mathematical rules expressed in symbols" is:

**It ends with letter e**

f
e

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##### Looking for extra hints for the puzzle "Mathematical rules expressed in symbols"

f
e

**Click on any empty tile to reveal a letter**

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##### The answer for the puzzle "Mathematical rules expressed in symbols" is:

f
o
r
m
u
l
a
e

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