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

Toán Lớp 5: Bài 3. (1 điểm) Tìm y, biết: = y × 4 / 6 = 2/3

Toán Lớp 5: Bài 3. (1 điểm) Tìm y, biết: = y × 4 / 6 = 2/3

Comments ( 2 )

  1. y × 4 / 6 = 2/3
     y         = 2/3:4/6
    y          = 1
     

  2. yxx\frac{4}{6}=\frac{2}{3}
    ->y=\frac{2}{3}:\frac{4}{6}
    ->y=\frac{2}{3}xx\frac{6}{4}
    ->y=\frac{2xx6}{3xx4}
    ->y=\frac{12}{12}
    ->y=1
    Vậy y=1
     

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

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