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

Toán Lớp 8: 2x ²(-3x ³+2x ²+x-1)+2x( x ²-3x+1)

Home/ Toán Lớp 8: 2x ²(-3x ³+2x ²+x-1)+2x( x ²-3x+1)

Toán Lớp 8: 2x ²(-3x ³+2x ²+x-1)+2x( x ²-3x+1)

Tháng Mười Một 22, 2022 Toán học 1 Comment 0 views

Toán Lớp 8: 2x ²(-3x ³+2x ²+x-1)+2x( x ²-3x+1)

Comments ( 1 )

  1. giangnguyen33
    giangnguyen33
    22 Tháng Mười Một, 2022 at 7:57 chiều
    Reply
    2x ²(-3x ³+2x ²+x-1)+2x( x ²-3x+1)
    ⇔−6????^5+4????^4+2????³−2????²+2????(????²−3????+1)
    ⇔−6????^5+4????^4+2????³−2????²+2????³−6????²+2????
    ⇔−6????^5+4????^4+4????³−2????²−6????²+2????
    ⇔−6????^5+4????^4+4????³−8????²+2????

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

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