75.36/12-3.75简便计算

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75.36/12-3.75简便计算75.36/12-3.75简便计算75.36/12-3.75简便计算75.36/12-3.75=25.12/4-15/4=(25.12-15)/4=10.12/4=1

75.36/12-3.75简便计算
75.36/12-3.75简便计算

75.36/12-3.75简便计算
75.36/12-3.75
=25.12/4-15/4
=(25.12-15)/4
=10.12/4
=10/4+0.12/4
=2.5+0.03
=2.53