70.5-(8.6+13.59)的简便计算
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70.5-(8.6+13.59)=70.5-8.6-13.59=70.5-8.5-0.1-13.6+0.01=62-13.6-0.1+0.01=48.4-0.1+0.01=48.31
咨询记录 · 回答于2023-05-05
70.5-(8.6+13.59)的简便计算
简便计算过程如下:
70.5-(8.6+13.59)=70.5-8.6-13.59=70.5-8.5-0.1-13.6+0.01=62-13.6-0.1+0.01=48.4-0.1+0.01=48.31