化简:4x³- -(-5x³)+(-10x³),(2x²- 1/2+3x)-4(x-x²+ 1/2)1/3a²n-(-7an)+(-1)²n+1an-(2/5a2n)-5an(n为整数) 9m²+[4m²-3m-(2m²-6m)]
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/28 10:43:46
![化简:4x³- -(-5x³)+(-10x³),(2x²- 1/2+3x)-4(x-x²+ 1/2)1/3a²n-(-7an)+(-1)²n+1an-(2/5a2n)-5an(n为整数) 9m²+[4m²-3m-(2m²-6m)]](/uploads/image/z/1259203-67-3.jpg?t=%E5%8C%96%E7%AE%80%EF%BC%9A4x%26%23179%3B-+-%EF%BC%88-5x%26%23179%3B%EF%BC%89%2B%EF%BC%88-10x%26%23179%3B%EF%BC%89%2C%EF%BC%882x%26%23178%3B-+1%2F2%2B3x%EF%BC%89-4%EF%BC%88x-x%26%23178%3B%2B+1%2F2%291%2F3a%26%23178%3Bn-%28-7an%29%2B%28-1%29%26%23178%3Bn%2B1an-%282%2F5a2n%29-5an%28n%E4%B8%BA%E6%95%B4%E6%95%B0%EF%BC%89+9m%26%23178%3B%2B%5B4m%26%23178%3B-3m-%282m%26%23178%3B-6m%29%5D)
化简:4x³- -(-5x³)+(-10x³),(2x²- 1/2+3x)-4(x-x²+ 1/2)1/3a²n-(-7an)+(-1)²n+1an-(2/5a2n)-5an(n为整数) 9m²+[4m²-3m-(2m²-6m)]
化简:4x³- -(-5x³)+(-10x³),(2x²- 1/2+3x)-4(x-x²+ 1/2)
1/3a²n-(-7an)+(-1)²n+1an-(2/5a2n)-5an(n为整数)
9m²+[4m²-3m-(2m²-6m)]
化简:4x³- -(-5x³)+(-10x³),(2x²- 1/2+3x)-4(x-x²+ 1/2)1/3a²n-(-7an)+(-1)²n+1an-(2/5a2n)-5an(n为整数) 9m²+[4m²-3m-(2m²-6m)]
1/3a²n-(-7an)+(-1)²n+1an-(2/5a2n)-5an(n为整数)
=1/3a²n+7an+n+an-2/5a2n-5an
=-1/15a²n+3an+n
9m²+[4m²-3m-(2m²-6m)]
=11m²+3m