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：2024/05/03 00:04:17
![计算[5xy²(x²-3xy)-(-3x²y²）³]÷（-5xy）²](/uploads/image/z/1260348-60-8.jpg?t=%E8%AE%A1%E7%AE%97%5B5xy%26%23178%3B%28x%26%23178%3B-3xy%29-%28-3x%26%23178%3By%26%23178%3B%EF%BC%89%26%23179%3B%5D%C3%B7%EF%BC%88-5xy%EF%BC%89%26%23178%3B)
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