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

Toán Lớp 7: `Tìm\ x:\ x` x `1000 – 30^2 = 1000-900`

Toán Lớp 7: Tìm\ x:\ x x 1000 – 30^2 = 1000-900

Comments ( 2 )

  1. x × 1000 – 30^2 = 1000 – 900
    x × 1000 – 900 = 100
    x × 1000 = 100 + 900
    x × 1000 = 1000
    x = 1000 : 1000
    x = 1
     

  2. x × 1000 – 30^2 = 1000 – 900
    => x × 1000 – 900 = 100
    => x × 1000 = 1000
    => x = 1000 : 1000
    => x = 1
    (Chúc bạn học tốt)

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

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