(X^4+8X^3+2X^2-14X+2)÷(X-1)
=(x^3+9x^2+11x-3)...余-1
(X^4-2X^2-5)÷(X-3)
=(x^3+3x^2+2x-6)...余13
(X^6-6X^3+X-15)÷(X-2)
=(x^5+2x^4+4x^3+2x^2+4x+9)...余3
(3X^2-2x^2+1)÷(x+1/3) (此题目是否有误）
=(x^2+1)÷(x+1/3)
=(x-1/3)...余10/9
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