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

Toán Lớp 6: Tìm x a. 48 – 3x = 12. b. 3x – 1 = $2^{3}$ . 4

Toán Lớp 6: Tìm x
a. 48 – 3x = 12.
b. 3x – 1 = $2^{3}$ . 4

Comments ( 2 )

  1. @Bao
    a) 48-3x=12
    ->3x=48-12=36
    ->x=36:3=12
    b)3x-1=2^(3).4
    ->3x=8.4+1
    ->3x=32+1=33
    ->x=33:3=11

  2. a. 48 – 3x = 12
      vì 48-12=36
       vậy x là 36 vì 48-12=36
    b. 3x – 1 = 2³.4
        3x-1=32
    32+1=33
    vậy x là 33 vì 33-1=32
             
      

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

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