57.5-4.25-15.75 (简便运算)
来源:学生作业帮助网 编辑:作业帮 时间:2024/08/26 02:56:51
![57.5-4.25-15.75 (简便运算)](/uploads/image/z/34641-9-1.jpg?t=57.5-4.25-15.75+%EF%BC%88%E7%AE%80%E4%BE%BF%E8%BF%90%E7%AE%97%EF%BC%89)
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57.5-4.25-15.75 (简便运算)
57.5-4.25-15.75 (简便运算)
57.5-4.25-15.75 (简便运算)
57.5-4.25-15.75
=57.5-(4.25+15.75)
=57.5-20
=37.5
57.5-(4.25+15.75)=57.5-20=37.5
57.5-4.25-15.75
=57.5-(4.25+15.75)
=57.5-20
=37.5
57.5-4.25-15.75 (简便运算)
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