(0.25a²b-1/2a³b²-1/6a⁴b³)÷(-0.5a²b)=?
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/28 10:42:56
![(0.25a²b-1/2a³b²-1/6a⁴b³)÷(-0.5a²b)=?](/uploads/image/z/4079255-23-5.jpg?t=%EF%BC%880.25a%26%23178%3Bb-1%2F2a%26%23179%3Bb%26%23178%3B-1%2F6a%26%238308%3Bb%26%23179%3B%EF%BC%89%C3%B7%EF%BC%88-0.5a%26%23178%3Bb%EF%BC%89%3D%3F)
(0.25a²b-1/2a³b²-1/6a⁴b³)÷(-0.5a²b)=?
(0.25a²b-1/2a³b²-1/6a⁴b³)÷(-0.5a²b)=?
(0.25a²b-1/2a³b²-1/6a⁴b³)÷(-0.5a²b)=?
=(1/4a²b-1/2a³b²-1/6a⁴b³)÷(-1/2a²b)
=(-1/2a²b)(-1/2+ab+1/3a²b²)÷(-1/2a²b)
=-1/2+ab+1/3a²b²
先化分数 再提公因式