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  1. What is the Length of a Spiral with 13 Semicircles? Chinese Math Solution | @eduk5 | #erknsir |

    What is the Length of a Spiral with 13 Semicircles? Chinese Math Solution | @eduk5 | #erknsir |

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  3. Solve 𝑧 ^8 − 𝑧 ^4 = 16 for real solutions. @eduk5, #erknsir

    Solve 𝑧 ^8 − 𝑧 ^4 = 16 for real solutions. @eduk5, #erknsir

    21
  4. You won't believe how ladder rugs magically shrink in size as you climb to the top! | @eduk5 |

    You won't believe how ladder rugs magically shrink in size as you climb to the top! | @eduk5 |

    1