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

Toán Lớp 7: (-11-2/5-1/2)-(12-3/2-4/5)+(-4-15/2-1/5)

Toán Lớp 7: (-11-2/5-1/2)-(12-3/2-4/5)+(-4-15/2-1/5)

Comments ( 2 )

  1. Giải đáp+Lời giải và giải thích chi tiết:
     (-11 – 2/5 -1/2)-(12 -3/2 -4/5)+ (-4- 15/2 -1/5)
    =(-11 -9/10)-(12 -23/10)+(-4 -77/10)
    =-199/10 -97/10 -117/10
    =-333/10

  2. #Sad
    (-11-2/5-1/2)-(12-3/2-4/5)+(-4-(15)/2-1/5)
    = (-(110)/(10)-(4)/(10)-5/(10))-((120)/(10)-(15)/(10)-(8)/(10))+(-(40)/(10)-(75)/(10)-2/10)
    = -(119)/(10)-(97)/(10)-(117)/(10)
    = -(333)/(10)
     

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

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