作业帮计算[(3x-2y)²-(3x+2y)²+3x²y²]÷2xy
来源：学生作业帮助网 编辑：作业帮 时间：2024/11/27 01:29:25
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计算[(3x-2y)²-(3x+2y)²+3x²y²]÷2xy
计算[(3x-2y)²-(3x+2y)²+3x²y²]÷2xy
计算[(3x-2y)²-(3x+2y)²+3x²y²]÷2xy
原式=（9x^2-12xy+4y^2-9x^2-12xy-4y^2+3x^2y^2)/2xy
=(-24xy+3x^2y^2)/2xy
=-12+3/2*xy
[(3x-2y)²-(3x+2y)²+3x²y²]÷2xy
=(9x²-12xy+4y²-9x²-12xy-4y²+3x²y²)÷2xy
=(-24xy+3x²y²)÷2xy
=-12+3xy/2
[(3x-2y)²-(3x+2y)²+3x²y²]÷2xy
=（9x²-12xy+4y²-9x²-12xy-4y²+3x²y²）÷2xy
=-21xy÷2xy
=-10.5