xy²-8xy+3x²y+25是几次几项是,它的二次项为

问题描述:

xy²-8xy+3x²y+25是几次几项是,它的二次项为

xy²-8xy+3x²y+25是三次四项是,它的二次项为-8xy

xy²-8xy+3x²y+25是三次四项式,它的二次项为-8xy