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Problem 1001
会不会出现全是0的序列?
tpbluesky
| 2015-09-05 20:18:30
Author
RT
tpbluesky
| 2015-09-05 20:19:51
# 1
1003题
admin
| 2015-09-05 20:20:54
# 2
当然可以有首项为0,公比为1的等比数列了
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