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

Toán Lớp 4: bài 3 tìm y Y x 5/6 +Y x 4/3 -Y x 1/6 =500

Toán Lớp 4: bài 3 tìm y
Y x 5/6 +Y x 4/3 -Y x 1/6 =500

Comments ( 2 )

  1. y × 5/6 + y × 4/3 – y × 1/6 = 500
    y × ( 5/6 + 4/3 – 1/6 ) = 500
    y × ( 5/6 + 8/6 – 1/6 ) = 500
    y × 12/6 = 500
    y × 2 = 500
              y = 500 : 2
              y = 250
    #dtkc
     

  2. Giải đáp:
    Xin cho hay nhất ạ
    Lời giải và giải thích chi tiết:
    Y x 5/6 +Y x 4/3 -Y x 1/6 =500
    ⇔y x (5/6+4/3-1/6)=500
    ⇔y x (4/6+8/6)=500
    ⇔y x 12/6=500
    ⇔y x 2=500
    ⇔y=500:2
    ⇒y=250

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