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

Question

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

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Elliana 1 năm 2021-10-16T05:02:06+00:00 2 Answers 4 views 0

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  1. phuongthuy
    0
    2021-10-16T05:03:41+00:00
    Reply

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

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

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

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

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

    MK GIẢI LẦN 4 R NHÉ

     

  3. annhocbichchau
    0
    2021-10-16T05:04:01+00:00
    Reply

    Đáp án:-13/37

     

    Giải thích các bước giải:=(13/37.5/12)-(7/37.13/6)+(-1/37.13/4)

    =65/444-91/222-13/148

    =-13/37

     

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