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23.75*3.987+6.013*92.07+6.832*39.87怎么用简便方法计算?

题目详情
23.75*3.987+6.013*92.07+6.832*39.87怎么用简便方法计算?
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答案和解析
23.75*3.987+6.013*92.07+6.832*39.87
=23.75*3.987+6.013*92.07+68.32*3.987
=(23.75+68.32)*3.987+6.013*92.07
=92.07*3.987+6.013*92.07
=92.07*(3.987+6.013)
=92.07*10
=920.7