[(-3ab)²×a³+2a³×(-3ab)³×1/2b]÷(3a²b²)² 因式分解.
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![[(-3ab)²×a³+2a³×(-3ab)³×1/2b]÷(3a²b²)² 因式分解.](/uploads/image/z/445299-51-9.jpg?t=%5B%EF%BC%88-3ab%EF%BC%89%26%23178%3B%C3%97a%26%23179%3B%2B2a%26%23179%3B%C3%97%EF%BC%88-3ab%EF%BC%89%26%23179%3B%C3%971%2F2b%5D%C3%B7%EF%BC%883a%26%23178%3Bb%26%23178%3B%EF%BC%89%26%23178%3B+%E5%9B%A0%E5%BC%8F%E5%88%86%E8%A7%A3.)
[(-3ab)²×a³+2a³×(-3ab)³×1/2b]÷(3a²b²)² 因式分解.
[(-3ab)²×a³+2a³×(-3ab)³×1/2b]÷(3a²b²)² 因式分解.
[(-3ab)²×a³+2a³×(-3ab)³×1/2b]÷(3a²b²)² 因式分解.
[(-3ab)²×a³+2a³×(-3ab)³×1/2b]÷(3a²b²)²
=[9a^5b^2+a^3b(-3ab)^3]÷9a^4b^4
=ab^-2-3a^2
=a(b^-2-3a)
a(b²2-3a)