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

Toán Lớp 6: Tìm s : 25 x s – 3^2 = (- 4)^2

Toán Lớp 6: Tìm s : 25 x s – 3^2 = (- 4)^2

Comments ( 2 )

  1. Giải đáp: s=1
    25.s-3^2=(-4)^2
    25.s-9=16
    25.s=16+9
    25.s=25
    s=25:25
    s=1
     

  2. 25 . s – 3^2 = (-4)^2
    25s – 9 = 16
    25s = 16 + 9
    25s = 25
    s = 25 : 25
    s = 1
    @ Vậy s = 1

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