100-99.89+9.09-0.11=?的巧算

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100-99.89+9.09-0.11=?的巧算100-99.89+9.09-0.11=?的巧算100-99.89+9.09-0.11=?的巧算100-(99.89+0.11)+9.09

100-99.89+9.09-0.11=?的巧算
100-99.89+9.09-0.11=?的巧算

100-99.89+9.09-0.11=?的巧算
100-(99.89+0.11)+9.09