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222-9+11+12:2*14+14 = ? ( )

Toán Lớp 7: (1và 2/3) (7/6-5/12) : (2 7/9)

Tháng Tám 4, 2022 Toán học 2 Comments 0 views

Toán Lớp 7: (1và 2/3) (7/6-5/12) : (2 7/9)

Comments ( 2 )

  1. buianhtuan
    buianhtuan
    4 Tháng Tám, 2022 at 9:16 sáng
    Reply
    #huy
    1 2/3 .(7/6-5/12) : 2 7/9
    =5/3 . (14/12-5/12):25/9
    =5/3 . 3/4 . 9/25
    =9/20

  2. mocmien87
    mocmien87
    4 Tháng Tám, 2022 at 9:16 sáng
    Reply
    1 2/3. (7/6-5/12):2 7/9
    =5/3.(14/12-5/12):25/9
    =5/3. 3/4. 9/25
    =(5.3.9)/(3.4.25)
    =9/(4.5)
    =9/20
     

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222-9+11+12:2*14+14 = ? ( )

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