5454/5757-171717/191919

Question

5454/5757-171717/191919

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Khoii Minh 6 years 2020-11-24T09:32:53+00:00 2 Answers 77 views 0

Answers ( )

  1. mit
    0
    2020-11-24T09:34:14+00:00
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    Đáp án:

     

    Giải thích các bước giải:

    `5454/5757-171717/191919`

    `={5454:303}/{5757:303}-{171717:10101}/{191919:10101}`

    `=18/19-17/19`

    `=1/19`

  2. Latifah
    0
    2020-11-24T09:34:52+00:00
    Reply

    `5454/5757-171717/191919`

    `=54/57 – 17/19`

    `Quy` `đồng` `54/57 – ( 17*3/19*3)`

    `= 54/57 – 51/57`

    `=3/57`

    `=1/19`

     

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