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

Toán Lớp 4: tìm x : 4*x = 304*9 X * 2 = 1023 + 345

Toán Lớp 4: tìm x : 4*x = 304*9
X * 2 = 1023 + 345

Comments ( 2 )

  1. 4 × x = 304 × 9
    4 × x = 2736
          x = 2736 : 4
          x = 684
    x × 2 = 1023 + 345
    x × 2 = 1368
          x = 1368 : 2
          x = 684
    #dtkc
     

  2. a) 4 × x = 304 × 9
    4 × x = 2736
    x = 2736 : 4
    x = 684
    b) x × 2 = 1023 + 345
    x × 2 = 1368
    x = 1368 : 2
    x = 684
     

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