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怎么做的
2016-11-08
源自:初識Python 3-4
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sum?=?0 x?=?1 n?=?1 while?True: ????sum?+=?x ????x?=?x+3 ????n?+=?1 ????if?n?>?100: ????????break ??? print?sum
程會芳 提問者
KELLY4340747 回復 程會芳 提問者
x1 = 1
x100 = 100
n = 100
s = ( 1 + 100 ) ?* 100 / 2
print s
n=1 sum=0 for?i?in?range(1,101): ????sum?+=?n ????n?+=?3 ???? print?sum
a1=1 d=3 n=100 sum=0 for?i?in?range(1,101): ????an=a1+(i-1)*d ????sum+=an print?sum
Gee_kory 回復 程會芳 提問者
sum?=?0 for?i?in?range(1,101,3): print?i sum?=?sum?+?i print?sum
a1=1d=3n=100sum=0for i in range(1,101): ? ?an=a1+(i-1)*d ? ?sum+=anprint ?sum
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2016-11-08
2016-12-05
x1 = 1
x100 = 100
n = 100
s = ( 1 + 100 ) ?* 100 / 2
print s
2016-11-08
2016-11-08
2016-11-08
2016-11-08