13/37 . 5/12 – 7/37 . 13/6+ -1/37 . 13/4

By Elliana

13/37 . 5/12 – 7/37 . 13/6+ -1/37 . 13/4

0 bình luận về “13/37 . 5/12 – 7/37 . 13/6+ -1/37 . 13/4”

  1. $\dfrac{13}{37} . \dfrac{5}{12} – \dfrac{7}{37} . \dfrac{13}{6} + \dfrac{-1}{37} . \dfrac{13}{4}$

    $= \dfrac{13}{37} . \dfrac{5}{12} – \dfrac{13}{37} . \dfrac{7}{6} + \dfrac{13}{37} . \dfrac{-1}{4}$

    $= \dfrac{13}{37} ( \dfrac{5}{12} – \dfrac{7}{6} + \dfrac{-1}{4} )$

    $= \dfrac{13}{37} . \dfrac{-5}{6}$

    $= \dfrac{-65}{222}$

    MK GIẢI LẦN 4 R NHÉ

     

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