7.2*9.9/0.25的简便计算
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7.2*9.9/0.25的简便计算
7.2*9.9/0.25的简便计算
7.2*9.9/0.25的简便计算
7.2*9.9/0.25
=7.2*(10-0.1)/0.25
=(72-0.72)/0.25
=285.12
7.2*9.9/0.25的简便计算
7.2*9.9/0.25的简便计算
7.2*9.9/0.25的简便计算
7.2*9.9/0.25
=7.2*(10-0.1)/0.25
=(72-0.72)/0.25
=285.12