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

Toán Lớp 8: (4xy+3y-5x)x²y Mn giúp em em cảm ơn

Toán Lớp 8: (4xy+3y-5x)x²y
Mn giúp em em cảm ơn

Comments ( 2 )

  1. (4xy+3y-5x)x²y
    = (4xy.x²y) + (3y.x²y) – (5x.x²y)
    = 4x³y² + 3x²y² – 5x³y
    #nocoppy
    #chúc bạn học tốt
    #hinil

  2. (4xy+3y-5x)x²y
    =4xy.x²y+3y.x²y-5x.x²y
    =4x³y²+3x²y²-5x³y

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