tính 3 2/5.6 1/4 +3 2/3 .3/4

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tính
3 2/5.6 1/4 +3 2/3 .3/4

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Ngọc Diệp 4 years 2021-04-23T19:47:26+00:00 2 Answers 18 views 0

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  1. kimchi2
    0
    2021-04-23T19:49:09+00:00
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    `3 2/(5).6 1/4+3 2/(3).(3)/4`

    `=17/(5).(25)/4+11/3.(3)/4`

    `=85/4+11/4`

    `=(85+11)/4`

    `=96/4`

    `=24`

    $#FBoy24$

  2. sori
    0
    2021-04-23T19:49:22+00:00
    Reply

    Đáp án:

     ` 24 `

    Giải thích các bước giải:

     ` 3 2/5. 6 1/4 +3 2/3 .3/4`

    ` = 17/5 . 25/4 + 11/3 . 3/4 `

    ` = 85/4 + 11/4 `

    ` = 96/4 `

    ` = 24 `

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Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )