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

Toán Lớp 5: Bài 3: (0.5đ) Tìm x biết : 89 : x  51,5 : x  375

Toán Lớp 5: Bài 3: (0.5đ) Tìm x biết : 89 : x  51,5 : x  375

Comments ( 2 )

  1. 89 : x – 51,5 : x =375
    (89 – 51.5 ) : x = 375
       37.5        : x =  375
                       x = 37.5 : 375
                       x = 0.1

  2. 89 : x – 51,5 : x = 375
    ( 89 – 51,5 ) : x = 375
    37.5 : x = 375
    x = 37,5 : 375
    x = 0,1
    Vậy x = 0,1

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

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