-(-a²+2ab+b²)+(-a²-ab+b²)化简
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/31 10:47:06
![-(-a²+2ab+b²)+(-a²-ab+b²)化简](/uploads/image/z/5593419-27-9.jpg?t=-%EF%BC%88-a%26%23178%3B%2B2ab%2Bb%26%23178%3B%EF%BC%89%2B%EF%BC%88-a%26%23178%3B-ab%2Bb%26%23178%3B%EF%BC%89%E5%8C%96%E7%AE%80)
x)}C7QMZ(1I; ~SIJEiϴl)ү_`gCh`ӭE&X-L^7 C1DIb~qAb ŝb
-(-a²+2ab+b²)+(-a²-ab+b²)化简
-(-a²+2ab+b²)+(-a²-ab+b²)化简
-(-a²+2ab+b²)+(-a²-ab+b²)化简
-(-a²+2ab+b²)+(-a²-ab+b²)
=a²-2ab-b²-a²-ab+b²
=-4ab