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

Toán Lớp 6: 2 Tìm x biết a) x . 1/2 =1/3 b)x : 4/5 =5/2 c)9/2 : x =2/3 mik cảm ơn nha

Toán Lớp 6: 2 Tìm x biết
a) x . 1/2 =1/3
b)x : 4/5 =5/2
c)9/2 : x =2/3
mik cảm ơn nha

Comments ( 2 )

  1. a,
    x. 1/2=1/3
    ⇔x=1/3: 1/2
    ⇔x=1/3. 2=2/3
    b,
    x: 4/5=5/2
    ⇔x=5/2. 4/5
    ⇔x=20/10=2
    c,
    9/2: x=2/3
    ⇔x=9/2: 2/3
    ⇔x=9/2. 3/2
    ⇔x=27/4
     

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