作业帮计算[5xy²(x²-3xy)-(-3x²y²）³]÷（-5xy）²
来源：学生作业帮助网 编辑：作业帮 时间：2024/11/30 14:58:37
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计算[5xy²(x²-3xy)-(-3x²y²）³]÷（-5xy）²
计算[5xy²(x²-3xy)-(-3x²y²）³]÷（-5xy）²
计算[5xy²(x²-3xy)-(-3x²y²）³]÷（-5xy）²
[5xy²(x²-3xy)-(-3x²y²）³]÷（-5xy）²
=（5x^3y²-15x²y^3+27x^6y^6）÷25x²y²
=0.2x-0.6y+1.08x^4y^4