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

Toán Lớp 5: Tìm x: 9xX+4xX=24,15 Mình cần gấp ạ

Toán Lớp 5: Tìm x:
9xX+4xX=24,15
Mình cần gấp ạ

Comments ( 2 )

  1. 9 xx x + 4 xx x = 24,15
    (9+4) xx x = 24,15
    13 xx x = 24,15
    x = 24,15 : 13
    x = {24,15}/13 = 483/260
    Vậy x = 483/260
     

  2. ~ Bạn tham khảo ~
    9xxx + 4xxx = 24,15
    x xx (9+4) = 24,15
    x xx 13 = 24,15
    x = 24,15 : 13
    x = (24,5)/16
    Vậy x = (24,5)/13
    $#Vịt vàng$

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