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

Toán Lớp 5: x-3 2/5=1/10 b/(3/4-1/3) : x=4 1/6

Toán Lớp 5: x-3 2/5=1/10
b/(3/4-1/3) : x=4 1/6

Comments ( 2 )

  1. x – 3 2/5 = 1/10
    x – 17/5 = 1/10
    x = 1/10 + 17/5
    x = 1/10 + 34/10
    x = 7/2
    b, ( 3/4 – 1/3 ) : x = 4 1/6
    (3/4 – 1/3 ) : x = 25/6
    ( 9/12 – 4/12 ) : x = 25/6
    5/12 : x = 25/6
    x = 5/12 : 25/6
    x = 5/12 \times 6/25
    x = 1/10
     

  2. Mèo gửi bạn nha ^_^
    a) x – 3 2/5 = 1/10
          x – 17/5 = 1/10
                     x = 1/10 + 17/5
                     x = 7/2
    b) ( 3/4 – 1/3 ) : x = 4 1/6
      ( 3/4 – 1/3 ) : x = 25/6 
                    5/12 : x = 25/6
                              x = 5/12 : 25/6
                              x = 5/12 xx 6/25
                              x = 1/10
     

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

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