巧算 87.4-(43.27-22.6)-9.73

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巧算87.4-(43.27-22.6)-9.73巧算87.4-(43.27-22.6)-9.73巧算87.4-(43.27-22.6)-9.7387.4-43.27+22.6-9.73=87.4+22

巧算 87.4-(43.27-22.6)-9.73
巧算 87.4-(43.27-22.6)-9.73

巧算 87.4-(43.27-22.6)-9.73
87.4-43.27+22.6-9.73=87.4+22.6-(43.27+9.73)=110-53=57