巧算:(10-7/55*1)+(9-7/55*2)+(8-7/55*3)……(1-7/55*10

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巧算:(10-7/55*1)+(9-7/55*2)+(8-7/55*3)……(1-7/55*10巧算:(10-7/55*1)+(9-7/55*2)+(8-7/55*3)……(1-7/55*10巧算:(

巧算:(10-7/55*1)+(9-7/55*2)+(8-7/55*3)……(1-7/55*10
巧算:(10-7/55*1)+(9-7/55*2)+(8-7/55*3)……(1-7/55*10

巧算:(10-7/55*1)+(9-7/55*2)+(8-7/55*3)……(1-7/55*10
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