|3x+y|-(y-6)²=0计算2x²y-(3xy-5x²y)+4xy已知|3x+y|-(y-6)²=0计算2x²y-(3xy-5x²y)+4xy
问题描述:
|3x+y|-(y-6)²=0计算2x²y-(3xy-5x²y)+4xy
已知|3x+y|-(y-6)²=0计算2x²y-(3xy-5x²y)+4xy
答
|3x+y|-(y-6)²=0计算2x²y-(3xy-5x²y)+4xy
已知|3x+y|-(y-6)²=0计算2x²y-(3xy-5x²y)+4xy