(4.82-14.4/1.2+3.1)*0.5-(2.9*4.2 -4.5/(-0.5))+13.22 Giúp mình thì mình vote 5sao cho

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(4.82-14.4/1.2+3.1)*0.5-(2.9*4.2 -4.5/(-0.5))+13.22
Giúp mình thì mình vote 5sao cho

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Sadie 2 tháng 2021-07-24T21:17:34+00:00 2 Answers 3 views 0

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    0
    2021-07-24T21:18:49+00:00

    (4,82-14,4:1,2+3,1).0,5-[2,9.4,2 -4,5:(-0,5)]+13,22

    =(4,82-12+3,1).0,5 -[12,18-(-9)]+13,22

    = ( -7,18+3,1).0,5-    21,18+13,22

    =-4,08.0,5-21,18+13,22

    =-2,04-21,18+13,22

    =-23,22+13,22

    =-10

     

    0
    2021-07-24T21:19:04+00:00

    `(“4,82` `-` `14,4` `:` `1,2` `+` `3,1“)` `×` `0,5` `-“[“2,9` `×` `4,2` `-` `4,5` `:` `(-0,5)“]` `+` `13,22`
    `=` `(“4,82` `-` `12` `+` `3,1` `)` `×` `0,5` `-` `[“12,18` `-` `(-9)“]` `+` `13,22`
    `=` `(“-7,18` `+` `3,1“)“ד0,5` `-` `21,18` `+` `13,22`
    `=` `(-4,08` `×` `0,5)` `-` `(21,18` `+` `13,22)`
    `=` `-2,04` `-` `21,18` `+` `13,22`
    `=` `-23,22` `+` `13,22`
    `=` `-10`
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