$3$ | $\frac{1}{6}$ | $2$ |

$\frac{2}{3}$ | $1$ | $\frac{3}{2}$ |

$\frac{1}{2}$ | $6$ | $\frac{1}{3}$ |

This is one answer (seven
others are possible by rotation and reflection).

*This problem is taken from the UKMT Mathematical Challenges.*

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