Giúp tính nhanh: 5/2 + 3/4 – 3/2 + 7/3 – 4/3 + 1/4

Question

Giúp
tính nhanh:
5/2 + 3/4 – 3/2 + 7/3 – 4/3 + 1/4

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Alexandra 1 năm 2021-09-25T15:16:45+00:00 2 Answers 6 views 0

Answers ( )

  1. dananh
    0
    2021-09-25T15:17:56+00:00
    Reply

    $\text { Đáp án: }$

    ` 5/2 + 3/4 – 3/2 + 7/3 – 4/3 + 1/4 `

    ` = ( 5/2 – 3/2 ) + ( 3/4 + 1/4 ) + ( 7/3 – 4/3 ) `

    ` = 1 + 1 + 1 `

    ` = 3 `

  3. kimlien
    0
    2021-09-25T15:18:40+00:00
    Reply

    Đáp án:

     =3

    Giải thích các bước giải:

    5/2 + 3/4 – 3/2 + 7/3 – 4/3 + 1/4

    =30/12+9/12-18/12+28/12-16/12+3/12

    =(30+9-18+28-16+3)/12

    =36/12

    =3

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35:5x4+1-9:3 = ? ( )