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风铃草Ella

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

s1=72

s2=85

r=s2/s1-1

print('小明成绩提升了%.2f%%'%r)

LCode丶

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

r以后已经是占比了，直接加%是不对的。

善良人也不快乐

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

s1 = 72

s2 = 85

r = (s2-s1)/s1*100

print('小明的成绩提高了','%.2f %%' %r)

风铃草Ella

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

楼上的楼上是什么意思呢？没懂？但是输入的结果是对的啊。可以解释一下吗？

向着阳光奔跑的雪球

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

s1=72

s2=85

r=(s2-s1)/s1*100

print('%.1f%%'%r)

用户5611034331

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

s1=72

s2=85

r=s2/s1-1

print('小明成绩提升了%.2f%%'%r)

Lcode的意思是：这边的r计算出来的是浮点数（小数），这样跑出来最后应该是0.18%；

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