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

Toán Lớp 7: `-5/4 : (1/2)² – 1/3 : (2/3) ²`

Toán Lớp 7: -5/4 : (1/2)² – 1/3 : (2/3) ²

Comments ( 2 )

  1. -5/4:(1/2)^2-1/3:(2/3)^2
    =-5/(4):(1)/4-1/(3):(4)/(9)
    =-5/(4).4-1/(3).(9)/(4)
    =-5-3/4
    =(-20)/(4)-3/4
    =-(23)/(4)
     

  2. Giải đáp + Lời giải và giải thích chi tiết:
    -5/4 : (1/2)^2 – 1/3 : (2/3)^2
    = -5/4 : 1/4 – 1/3 : 4/9
    = -5/4 . 4/1 – 1/3 . 9/4
    = -5 – 3/4
     = -23/4

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