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巧算与简算练习题

2011-02-28 09:16:19| 分类：默认分类 | 标签： |举报 |字号大中小订阅

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17.28×0.19+172.8×0.085-17.28×0.04

9999×1111+3333×6667

100+99-98-97+96+95-94-93+……+8+7-6-5+4+3-2-1

1997×19961996-1996×19971997

1998×1998-1997×1999

9999×2222+3333×3334

6997-1-2-3-……-99-100

1-2+3-4+5-6+……-98+99+100

2+6+10+……+202+206+210

0.9+9.9+99.9+999.9+9999.9

17.48×37-174.8×1.9+17.48×82

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<#--最新日志，群博日志--> <#--推荐日志-->

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<#-- 网易新闻广告 --> <#--右边模块结构--> <#--评论模块结构--> <#--引用模块结构--> <#--博主发起的投票-->

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日志

巧算与简算练习题

历史上的今天

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日志

巧 算 与 简 算 练 习 题

历史上的今天

最近读者

热度

评论

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巧算与简算练习题