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

Toán Lớp 8: mời các cao thủ ra tay x^5+x+1 x^8+x+1

Toán Lớp 8: mời các cao thủ ra tay
x^5+x+1
x^8+x+1

Comments ( 1 )

  1. x^5+x+1
    =(x^5+x)+1
    =x(x^4+1)
    x^8+x+1
    =(x^8+x)+1
    =x(x^7+1)

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

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