100%
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10楼#
发布于：2015-10-15 20:36
goodgoodyy：哦，谢谢回到原帖接着上边说的，方程（1+x）^2=100，平方是因为传染了两轮。 |
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11楼#
发布于：2015-10-15 20:36
goodgoodyy：哦，谢谢回到原帖这算是典型题，一定要会 |
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12楼#
发布于：2015-10-15 21:41
设传染人数为x
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13楼#
发布于：2015-10-16 10:54
1＋x加x方＝100
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14楼#
发布于：2015-10-18 13:02
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15楼#
发布于：2015-10-18 13:06
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16楼#
发布于：2015-10-18 15:43
 sorry，我力不从心。 |
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17楼#
发布于：2015-10-18 16:31
1+x+xx=100
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18楼#
发布于：2015-10-18 16:33
chuzhong17：那我才初2也。。。回到原帖me too |
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19楼#
发布于：2015-10-18 16:36
xieyutao2014：me too回到原帖  |
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