11...1(1000个1)减22.2(500个2)等于多少?
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11...1(1000个1)减22.2(500个2)等于多少?
![11...1(1000个1)减22.2(500个2)等于多少?](/uploads/image/z/8863178-50-8.jpg?t=11...1%281000%E4%B8%AA1%EF%BC%89%E5%87%8F22.2%EF%BC%88500%E4%B8%AA2%EF%BC%89%E7%AD%89%E4%BA%8E%E5%A4%9A%E5%B0%91%3F)
11...1(1000个1)减22.2(500个2)
=11.1(500个)00.0(500个)+11...1(500个)-22...2(500个)
=11...1(499个)+100...0(500个0)-11...1(500个)
=11..1(499个)088...(499个8)9
=11.1(500个)00.0(500个)+11...1(500个)-22...2(500个)
=11...1(499个)+100...0(500个0)-11...1(500个)
=11..1(499个)088...(499个8)9