【12(a²b)³b²+3a²(3a²b³-ab²)】/(3a³b²)
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/21 15:43:22
![【12(a²b)³b²+3a²(3a²b³-ab²)】/(3a³b²)](/uploads/image/z/10279993-49-3.jpg?t=%E3%80%9012%28a%26%23178%3Bb%29%26%23179%3Bb%26%23178%3B%2B3a%26%23178%3B%283a%26%23178%3Bb%26%23179%3B-ab%26%23178%3B%29%E3%80%91%2F%283a%26%23179%3Bb%26%23178%3B%29)
【12(a²b)³b²+3a²(3a²b³-ab²)】/(3a³b²)
【12(a²b)³b²+3a²(3a²b³-ab²)】/(3a³b²)
【12(a²b)³b²+3a²(3a²b³-ab²)】/(3a³b²)
【12(a²b)³b²+3a²(3a²b³-ab²)】/(3a³b²)=(3a³b²)[4a³b³+3ab-1]/(3a³b²)
=4a³b³+3ab-1
=(12a6b5+9a4b3-3a3b2)/3
a3b2=4 a3b3+3 ab_1
4(ab)³+3ab- 1
原式=【12a³(ab)³b²+3a³b²(3ab-1)】/(3a³b²)
=(3a³b²)【4(ab)³+3ab-1】/(3a³b²)
=4(ab)³+3ab-1