有一人患了流感,经过两轮的传染后共有121人患了流感,每轮传染中平均一个人传染了几个人10人重点!你能推出n轮传染后有多少人患流感吗?
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/20 01:00:59
![有一人患了流感,经过两轮的传染后共有121人患了流感,每轮传染中平均一个人传染了几个人10人重点!你能推出n轮传染后有多少人患流感吗?](/uploads/image/z/7068625-25-5.jpg?t=%E6%9C%89%E4%B8%80%E4%BA%BA%E6%82%A3%E4%BA%86%E6%B5%81%E6%84%9F%2C%E7%BB%8F%E8%BF%87%E4%B8%A4%E8%BD%AE%E7%9A%84%E4%BC%A0%E6%9F%93%E5%90%8E%E5%85%B1%E6%9C%89121%E4%BA%BA%E6%82%A3%E4%BA%86%E6%B5%81%E6%84%9F%2C%E6%AF%8F%E8%BD%AE%E4%BC%A0%E6%9F%93%E4%B8%AD%E5%B9%B3%E5%9D%87%E4%B8%80%E4%B8%AA%E4%BA%BA%E4%BC%A0%E6%9F%93%E4%BA%86%E5%87%A0%E4%B8%AA%E4%BA%BA10%E4%BA%BA%E9%87%8D%E7%82%B9%21%E4%BD%A0%E8%83%BD%E6%8E%A8%E5%87%BAn%E8%BD%AE%E4%BC%A0%E6%9F%93%E5%90%8E%E6%9C%89%E5%A4%9A%E5%B0%91%E4%BA%BA%E6%82%A3%E6%B5%81%E6%84%9F%E5%90%97%3F)
xTr@
_ >9? K)F 8 TV !Mx<H;:82{=T&ޗ7xuXvtSn4|Y
Ui
Jn`T:E^ uh-#$E&Y;:9-zPv&KZqĿb.jb=$2ʱKjAsm.N'Чqj;N~S'=QtU1K(x*X\g膦<^
+e'`
oBgqvdA I5N+# H%^ft#:Dk(R^CĀ XC(p̥_[=DCS