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

Toán Lớp 6: Tìm x biết: 1-(4/9+x-7/8):3/4=0

Tháng Tám 17, 2022 Toán học 2 Comments 0 views

Toán Lớp 6: Tìm x biết: 1-(4/9+x-7/8):3/4=0

Comments ( 2 )

  1. maianh67
    maianh67
    17 Tháng Tám, 2022 at 6:17 chiều
    Reply
    1- ( 4/9 + x – 7/8) : 3/4 = 0
    [( 4/9 – 7/8) + x] : 3/4 = 1 – 0
    ( -31/72 + x) : 3/4 = 1
    ( -31/72 + x) = 1 . 3/4
    -31/72 + x = 3/4
    x = 3/4 – (-31/72)
    x = 3/4 + 31/72
    x= 85/72
    Vậy x = 85/72
    #caty09

  2. khanhngantoan
    khanhngantoan
    17 Tháng Tám, 2022 at 6:16 chiều
    Reply
    1 – ( 4/9 + x – 7/8 ) : 3/4 = 0
    (4/9 + x – 7/8 ) : 3/4 = 1 – 0
    (4/9 + x – 7/8 ) : 3/4 = 1
    4/9 + x – 7/8 = 1 xx 3/4
    4/9 + x – 7/8 = 3/4
    4/9 + x = 3/4 + 7/8
    4/9 + x = 13/8
              x = 13/8 – 4/9
              x = 85/72
    Vậy x = 85/72
    #dtkc
     

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

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