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

Toán Lớp 5: Tìm X A, 15 x X = 75 B. 24, 15 : X = 10, 5

Toán Lớp 5: Tìm X
A, 15 x X = 75 B. 24, 15 : X = 10, 5

Comments ( 2 )

  1. a,
    15 xx x = 75
    x = 75 : 15
    x = 5
    Vậy x = 5
    ____________________
    b,
    24,15 : x = 10,5
    x = 24,15 : 10,5
    x = 2,3
    Vậy x = 2,3
     

  2. A. 15 x X = 75 
                   X = 75 : 15 
                   X = 5
    Vậy X = 5
    B. 24,15 : X = 10,5 
                       X = 24,15 : 10,5 
                       X = 2,3
     Vậy X = 2,3

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