计算:1x2+2x3+3x4+……+49x50 计算:(1-3/8)+(1-3/15)+(1-3计算:1x2+2x3+3x4+……+49x50 计算:(1-3/8)+(1-3/15)+(1-3/24)+……+(1-3/120)
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/20 04:04:37
![计算:1x2+2x3+3x4+……+49x50 计算:(1-3/8)+(1-3/15)+(1-3计算:1x2+2x3+3x4+……+49x50 计算:(1-3/8)+(1-3/15)+(1-3/24)+……+(1-3/120)](/uploads/image/z/2593815-15-5.jpg?t=%E8%AE%A1%E7%AE%97%EF%BC%9A1x2%2B2x3%2B3x4%2B%E2%80%A6%E2%80%A6%2B49x50+%E8%AE%A1%E7%AE%97%3A%EF%BC%881-3%2F8%EF%BC%89%2B%EF%BC%881-3%2F15%EF%BC%89%2B%EF%BC%881-3%E8%AE%A1%E7%AE%97%EF%BC%9A1x2%2B2x3%2B3x4%2B%E2%80%A6%E2%80%A6%2B49x50+%E8%AE%A1%E7%AE%97%3A%EF%BC%881-3%2F8%EF%BC%89%2B%EF%BC%881-3%2F15%EF%BC%89%2B%EF%BC%881-3%2F24%EF%BC%89%2B%E2%80%A6%E2%80%A6%2B%EF%BC%881-3%2F120%EF%BC%89)
计算:1x2+2x3+3x4+……+49x50 计算:(1-3/8)+(1-3/15)+(1-3计算:1x2+2x3+3x4+……+49x50 计算:(1-3/8)+(1-3/15)+(1-3/24)+……+(1-3/120)
计算:1x2+2x3+3x4+……+49x50 计算:(1-3/8)+(1-3/15)+(1-3
计算:1x2+2x3+3x4+……+49x50
计算:(1-3/8)+(1-3/15)+(1-3/24)+……+(1-3/120)
计算:1x2+2x3+3x4+……+49x50 计算:(1-3/8)+(1-3/15)+(1-3计算:1x2+2x3+3x4+……+49x50 计算:(1-3/8)+(1-3/15)+(1-3/24)+……+(1-3/120)
41650
9+29/44