”一种运算符号,它的含义是2!=2×1,=3×2×1,…,求2!-1!+3!-2!+4!-
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/06 17:47:33
![”一种运算符号,它的含义是2!=2×1,=3×2×1,…,求2!-1!+3!-2!+4!-](/uploads/image/z/1784987-35-7.jpg?t=%E2%80%9D%E4%B8%80%E7%A7%8D%E8%BF%90%E7%AE%97%E7%AC%A6%E5%8F%B7%2C%E5%AE%83%E7%9A%84%E5%90%AB%E4%B9%89%E6%98%AF2%21%3D2%C3%971%2C%3D3%C3%972%C3%971%2C%E2%80%A6%2C%E6%B1%822%21-1%21%2B3%21-2%21%2B4%21-)
”一种运算符号,它的含义是2!=2×1,=3×2×1,…,求2!-1!+3!-2!+4!-
”一种运算符号,它的含义是2!=2×1,=3×2×1,…,求2!-1!+3!-2!+4!-
”一种运算符号,它的含义是2!=2×1,=3×2×1,…,求2!-1!+3!-2!+4!-
2!-1!+3!-2!+4!
=2x1-1+3x2x1-2x1+4x3x2x1
=2-1+6-2+24
=29
这个运算符叫做“阶乘”.2!-1!+3!-2!+4!=2*1-1*1+3*2*1-2*1+4*3*2*1=29