2.33x0.5x0.4x5的简便方法
2.33x0.5x0.4x5的简便方法如下：2.33x0.5x0.4x5=2.33x（0.5x5）x0.4=2.33x2.5x0.4=2.33x（2.5x0.4）=2.33x1=2.33。2.33x0.5x0.4x5...
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2.33x0.5x0.4x5的简便方法如下：2.33x0.5x0.4x5=2.33x（0.5x5）x0.4=2.33x2.5x0.4=2.33x（2.5x0.4）=2.33x1=2.33。2.33x0.5x0.4x5...
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