100*(1/2)*99*(1/2)
来源:学生作业帮助网 编辑:作业帮 时间:2024/08/29 08:58:12
![100*(1/2)*99*(1/2)](/uploads/image/z/2403297-9-7.jpg?t=100%2A%281%2F2%29%2A99%2A%281%2F2%29)
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100*(1/2)*99*(1/2)
100*(1/2)*99*(1/2)
100*(1/2)*99*(1/2)
100*(1/2)*99*(1/2)
=100*99*(1/2)*(1/2)
=100*99*(1/4)
=25*99
=25*(100-1)
=2500-25
=2475.
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来源:学生作业帮助网 编辑:作业帮 时间:2024/08/29 08:58:12
100*(1/2)*99*(1/2)
100*(1/2)*99*(1/2)
100*(1/2)*99*(1/2)
100*(1/2)*99*(1/2)
=100*99*(1/2)*(1/2)
=100*99*(1/4)
=25*99
=25*(100-1)
=2500-25
=2475.