xy²-8xy+3x²y+25是几次几项是,它的二次项为
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xy²-8xy+3x²y+25是几次几项是,它的二次项为
xy²-8xy+3x²y+25是几次几项是,它的二次项为
xy²-8xy+3x²y+25是几次几项是,它的二次项为
xy²-8xy+3x²y+25是三次四项式,它的二次项为-8xy
xy²-8xy+3x²y+25是三次四项是,它的二次项为-8xy