简便计算:1.345²×0.345×2-1.345³-1.345×0.345²(过程详细+分)
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/06 14:44:02
![简便计算:1.345²×0.345×2-1.345³-1.345×0.345²(过程详细+分)](/uploads/image/z/11622828-12-8.jpg?t=%E7%AE%80%E4%BE%BF%E8%AE%A1%E7%AE%97%EF%BC%9A1.345%26%23178%3B%C3%970.345%C3%972%EF%BC%8D1.345%26%23179%3B%EF%BC%8D1.345%C3%970.345%26%23178%3B%EF%BC%88%E8%BF%87%E7%A8%8B%E8%AF%A6%E7%BB%86%2B%E5%88%86%EF%BC%89)
简便计算:1.345²×0.345×2-1.345³-1.345×0.345²(过程详细+分)
简便计算:1.345²×0.345×2-1.345³-1.345×0.345²(过程详细+分)
简便计算:1.345²×0.345×2-1.345³-1.345×0.345²(过程详细+分)
1.345²×0.345×2-1.345³-1.345×0.345²
= -1.345x(1.345²-2x0.345x1.345+0.345²)
= -1.345x(1.345-0.345)²
=-1.345x1
= -1.345