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作业

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你好啊32

#1 Created at ... [Delete] [Delete and Lock User] 
# -*- coding: utf-8 -*-

s1 = 72
s2 = 85
r = (85-72)/72*100
print('%.1f%%'%r)

非洲来的胡叔叔-

#2 Created at ... [Delete] [Delete and Lock User]

我感觉你这第三行写的有问题，你这样第一行的赋值不就没意义了吗？

非洲来的胡叔叔-

#3 Created at ... [Delete] [Delete and Lock User]

写一下我的大家讨论讨论

s1 = 72 s2 = 85 r = s2-s1/s1 print('%.1f%%' % r)

新苹果虫子

#4 Created at ... [Delete] [Delete and Lock User]

你这样子的出来的应该是-0.15吧

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