设ax^3+bx^2+cx+d=(x-1)(x-2)(ax+m)+px+q
因为多项式ax^3+bx^2+cx+d除以x-1时,所得的余数是1
那么当x=1代入时,即是p+q=1 啊
同理将x = 2 代入ax^3+bx^2+cx+d=(x-1)(x-2)(ax+m)+px+q
时,即是2p+q=3 啊
设ax^3+bx^2+cx+d=(x-1)(x-2)(ax+m)+px+q
因为多项式ax^3+bx^2+cx+d除以x-1时,所得的余数是1
那么当x=1代入时,即是p+q=1 啊
同理将x = 2 代入ax^3+bx^2+cx+d=(x-1)(x-2)(ax+m)+px+q
时,即是2p+q=3 啊