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

Toán Lớp 8: 3x-2y.19x^3y^3 rút gọn hộ mình vote 5 sao

Toán Lớp 8: 3x-2y.19x^3y^3
rút gọn hộ mình
vote 5 sao

Comments ( 2 )

  1. 3x  -2y . 19x^3 y^3
    =  3x – (19.2) . x^3 . (y . y^3)
    = 3x – 38 x^3 y^4
     

  2. 3x-2y.19x³y³
    = 3x – 38x³y^4

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