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

Toán Lớp 6: Giúp mik câu này nhaa !!! -7/4 – 5/6

Toán Lớp 6: Giúp mik câu này nhaa !!!
-7/4 – 5/6

Comments ( 2 )

  1. -7/4 – 5/6
    =-21/12 – 10/12
    =(-21 -10)/12
    =-31/12
     

  2. Giải đáp:
    -7/4 – 5/6 ( MSC: 12 = 4 × 3 = 6 × 2 = 12 )
    = -21/12 – 10/12
    = ( – 21 – 10 )/12
    = – 31/12
    @Akira2007

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